**Chemical:** Nitrous Acid

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Nitrous Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Nitrous Acid — Chemical resistance ratings for common elastomers


**Chemical:** Nitrous Oxide

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** 1

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Nitrous Oxide | 1 | 1 | X | X | 1 | X | X | X | 1 | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Nitrous Oxide — Chemical resistance ratings for common elastomers


**Chemical:** Nonane

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Nonane | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Nonane — Chemical resistance ratings for common elastomers


**Chemical:** Noryl GE Phenolic

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** X

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Noryl GE Phenolic | 1 | 1 | X | X | X | X | X | X | X | X | X | X | X |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Noryl GE Phenolic — Chemical resistance ratings for common elastomers


**Chemical:** Nyvac FR200 Mobil

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 3

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Nyvac FR200 Mobil | 1 | 1 | 2 | 4 | X | 4 | X | 3 | 1 | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Nyvac FR200 Mobil — Chemical resistance ratings for common elastomers


**Chemical:** Octachloro Toluene

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Octachloro Toluene | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Octachloro Toluene — Chemical resistance ratings for common elastomers


**Chemical:** Octadecane

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 2

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Octadecane | 1 | 4 | 2 | 4 | 4 | 4 | 2 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Octadecane — Chemical resistance ratings for common elastomers


**Chemical:** Octanal (n-Octanaldehyde)

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Octanal (n-Octanaldehyde) | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Octanal (n-Octanaldehyde) — Chemical resistance ratings for common elastomers


**Chemical:** Octane or n-Octane

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Octane or n-Octane | 1 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Octane or n-Octane — Chemical resistance ratings for common elastomers


**Chemical:** Octyl Acetate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Octyl Acetate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Octyl Acetate — Chemical resistance ratings for common elastomers


**Chemical:** Octyl Alcohol

**Nitrile (NBR):** 2

**EPDM:** 3

**Neoprene (CR):** 2

**SBR:** 2

**Silicone (VMQ):** 2

**Butyl (IIR):** 2

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Octyl Alcohol | 2 | 3 | 2 | 2 | 2 | 2 | 4 | 2 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Octyl Alcohol — Chemical resistance ratings for common elastomers


**Chemical:** Octyl Chloride

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Octyl Chloride | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Octyl Chloride — Chemical resistance ratings for common elastomers


**Chemical:** Octyl Phthalate

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Octyl Phthalate | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Octyl Phthalate — Chemical resistance ratings for common elastomers


**Chemical:** Olefins

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Olefins | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Olefins — Chemical resistance ratings for common elastomers


**Chemical:** Oleic Acid

**Nitrile (NBR):** 3

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 2

**Polyurethane (AU/EU):** 2

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oleic Acid | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 2 | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oleic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Oleum (Fuming Sulfuric Acid)

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oleum (Fuming Sulfuric Acid) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oleum (Fuming Sulfuric Acid) — Chemical resistance ratings for common elastomers


**Chemical:** Oleum Spirits

**Nitrile (NBR):** 2

**EPDM:** 4

**Neoprene (CR):** 3

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oleum Spirits | 2 | 4 | 3 | 4 | 4 | 4 | X | 2 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oleum Spirits — Chemical resistance ratings for common elastomers


**Chemical:** Oleyl Alcohol

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oleyl Alcohol | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oleyl Alcohol — Chemical resistance ratings for common elastomers


**Chemical:** Olive Oil

**Nitrile (NBR):** 1

**EPDM:** 2

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 3

**Butyl (IIR):** 2

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Olive Oil | 1 | 2 | 2 | 4 | 3 | 2 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Olive Oil — Chemical resistance ratings for common elastomers


**Chemical:** Oronite 8200

**Nitrile (NBR):** 2

**EPDM:** 4

**Neoprene (CR):** 1

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oronite 8200 | 2 | 4 | 1 | 4 | 4 | 4 | X | 4 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oronite 8200 — Chemical resistance ratings for common elastomers


**Chemical:** Oronite 8515

**Nitrile (NBR):** 2

**EPDM:** 4

**Neoprene (CR):** 1

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oronite 8515 | 2 | 4 | 1 | 4 | 4 | 4 | X | 4 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oronite 8515 — Chemical resistance ratings for common elastomers


**Chemical:** Ortho-Chloro Ethyl Benzene

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Ortho-Chloro Ethyl Benzene | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Ortho-Chloro Ethyl Benzene — Chemical resistance ratings for common elastomers


**Chemical:** Ortho-Chloroaniline

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Ortho-Chloroaniline | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Ortho-Chloroaniline — Chemical resistance ratings for common elastomers


**Chemical:** Ortho-Chlorophenol

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Ortho-Chlorophenol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Ortho-Chlorophenol — Chemical resistance ratings for common elastomers


**Chemical:** Ortho-Cresol

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Ortho-Cresol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Ortho-Cresol — Chemical resistance ratings for common elastomers


**Chemical:** Ortho-Dichlorobenzene

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Ortho-Dichlorobenzene | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Ortho-Dichlorobenzene — Chemical resistance ratings for common elastomers


**Chemical:** Ortho-Nitrotoluene

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Ortho-Nitrotoluene | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Ortho-Nitrotoluene — Chemical resistance ratings for common elastomers


**Chemical:** Orthophos Acid

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Orthophos Acid | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Orthophos Acid — Chemical resistance ratings for common elastomers


**Chemical:** OS 45 Type III (OS45)

**Nitrile (NBR):** 2

**EPDM:** 4

**Neoprene (CR):** 1

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> OS 45 Type III (OS45) | 2 | 4 | 1 | 4 | 4 | 4 | X | 2 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

OS 45 Type III (OS45) — Chemical resistance ratings for common elastomers


**Chemical:** OS 45 Type IV (OS45-1)

**Nitrile (NBR):** 2

**EPDM:** 4

**Neoprene (CR):** 1

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> OS 45 Type IV (OS45-1) | 2 | 4 | 1 | 4 | 4 | 4 | X | 2 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

OS 45 Type IV (OS45-1) — Chemical resistance ratings for common elastomers


**Chemical:** OS 70

**Nitrile (NBR):** 2

**EPDM:** 4

**Neoprene (CR):** 1

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> OS 70 | 2 | 4 | 1 | 4 | 4 | 4 | X | 2 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

OS 70 — Chemical resistance ratings for common elastomers


**Chemical:** Oxalic Acid

**Nitrile (NBR):** 2

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** 2

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oxalic Acid | 2 | 1 | 2 | 2 | 2 | 1 | X | 2 | 1 | X | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oxalic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Oxygen, 200°-300°F (Evalute for specific applications)

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** 2

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oxygen, 200°-300°F (Evalute for specific applications) | 4 | 4 | X | X | X | X | X | X | 2 | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oxygen, 200°-300°F (Evalute for specific applications) — Chemical resistance ratings for common elastomers


**Chemical:** Oxygen, 300°-400°F (Evalute for specific applications)

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 1

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 2

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 4

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oxygen, 300°-400°F (Evalute for specific applications) | 4 | 4 | 4 | 4 | 1 | 4 | 4 | 4 | 2 | 4 | 4 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oxygen, 300°-400°F (Evalute for specific applications) — Chemical resistance ratings for common elastomers


**Chemical:** Oxygen, Cold (Evalute for specific applications)

**Nitrile (NBR):** 2

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 2

**Silicone (VMQ):** 1

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 2

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oxygen, Cold (Evalute for specific applications) | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oxygen, Cold (Evalute for specific applications) — Chemical resistance ratings for common elastomers


**Chemical:** Oxygen, Liquid

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** 4

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** 4

**Kalrez (FFKM):** 2

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Oxygen, Liquid | 4 | 4 | 4 | X | X | X | X | X | 4 | X | X | 4 | 2 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Oxygen, Liquid — Chemical resistance ratings for common elastomers


**Chemical:** Ozonated Deionized Water

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 2

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Ozonated Deionized Water | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 2 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Ozonated Deionized Water — Chemical resistance ratings for common elastomers


**Chemical:** Ozone

**Nitrile (NBR):** 4

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 1

**Butyl (IIR):** 2

**Polyacrylate (ACM):** 2

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Ozone | 4 | 1 | 2 | 4 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Ozone — Chemical resistance ratings for common elastomers


**Chemical:** Paint Thinner, Duco

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 2

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Paint Thinner, Duco | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Paint Thinner, Duco — Chemical resistance ratings for common elastomers


**Chemical:** Palmitic Acid

**Nitrile (NBR):** 1

**EPDM:** 2

**Neoprene (CR):** 2

**SBR:** 2

**Silicone (VMQ):** 4

**Butyl (IIR):** 2

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 3

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Palmitic Acid | 1 | 2 | 2 | 2 | 4 | 2 | X | 3 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Palmitic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Par-al-Ketone

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 4

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 4

**Aflas (TFE/P):** X

**Kalrez (FFKM):** X

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Par-al-Ketone | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | X | X |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Par-al-Ketone — Chemical resistance ratings for common elastomers


**Chemical:** Para-Aminobenzoic Acid

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Aminobenzoic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Para-Aminobenzoic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Para-Aminosalicylic Acid

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Aminosalicylic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Para-Aminosalicylic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Para-Bromobenzylphenyl Ether

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Bromobenzylphenyl Ether | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Para-Bromobenzylphenyl Ether — Chemical resistance ratings for common elastomers


**Chemical:** Para-Chlorophenol

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Chlorophenol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Para-Chlorophenol — Chemical resistance ratings for common elastomers


**Chemical:** Para-Dichlorobenzene

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Dichlorobenzene | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Para-Dichlorobenzene — Chemical resistance ratings for common elastomers


**Chemical:** Para-Formaldehyde

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Formaldehyde | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Para-Formaldehyde — Chemical resistance ratings for common elastomers


**Chemical:** Para-Nitroaniline

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Nitroaniline | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Para-Nitroaniline — Chemical resistance ratings for common elastomers


**Chemical:** Para-Nitrobenzoic Acid

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Nitrobenzoic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Para-Nitrobenzoic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Para-Nitrophenol

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Nitrophenol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Para-Nitrophenol — Chemical resistance ratings for common elastomers


**Chemical:** Para-Toluene Sulfonic Acid

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Para-Toluene Sulfonic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Para-Toluene Sulfonic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Paracymene

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Paracymene | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-4>

Paracymene — Chemical resistance ratings for common elastomers


**Chemical:** Paraffins

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Paraffins | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Paraffins — Chemical resistance ratings for common elastomers


**Chemical:** Paraldehyde

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Paraldehyde | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Paraldehyde — Chemical resistance ratings for common elastomers


**Chemical:** Parathion

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Parathion | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Parathion — Chemical resistance ratings for common elastomers


**Chemical:** Parker O Lube

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 1

**SBR:** 2

**Silicone (VMQ):** 2

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Parker O Lube | 1 | 4 | 1 | 2 | 2 | 4 | 1 | 1 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Parker O Lube — Chemical resistance ratings for common elastomers


**Chemical:** Peanut Oil

**Nitrile (NBR):** 1

**EPDM:** 3

**Neoprene (CR):** 3

**SBR:** 4

**Silicone (VMQ):** 1

**Butyl (IIR):** 3

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 2

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Peanut Oil | 1 | 3 | 3 | 4 | 1 | 3 | 1 | 2 | 1 | 2 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Peanut Oil — Chemical resistance ratings for common elastomers


**Chemical:** Pectin (Liquor)

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pectin (Liquor) | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pectin (Liquor) — Chemical resistance ratings for common elastomers


**Chemical:** Pelagonic Acid

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pelagonic Acid | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pelagonic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Penicillin (Liquid)

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Penicillin (Liquid) | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Penicillin (Liquid) — Chemical resistance ratings for common elastomers


**Chemical:** Pentachloroethane

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentachloroethane | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentachloroethane — Chemical resistance ratings for common elastomers


**Chemical:** Pentachlorophenol

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentachlorophenol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentachlorophenol — Chemical resistance ratings for common elastomers


**Chemical:** Pentaerythritol Tetranitrate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentaerythritol Tetranitrate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentaerythritol Tetranitrate — Chemical resistance ratings for common elastomers


**Chemical:** Pentaerythritol

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentaerythritol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentaerythritol — Chemical resistance ratings for common elastomers


**Chemical:** Pentafluoroethane (F-125)

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 2

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentafluoroethane (F-125) | X | X | X | X | X | X | X | X | X | X | X | X | 2 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentafluoroethane (F-125) — Chemical resistance ratings for common elastomers


**Chemical:** Pentane, 2-4 dimethyl

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 3

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentane, 2-4 dimethyl | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 4 | 3 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentane, 2-4 dimethyl — Chemical resistance ratings for common elastomers


**Chemical:** Pentane, 2 Methyl

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 3

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentane, 2 Methyl | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 4 | 3 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentane, 2 Methyl — Chemical resistance ratings for common elastomers


**Chemical:** Pentane, 3-Methyl

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 3

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentane, 3-Methyl | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 4 | 3 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentane, 3-Methyl — Chemical resistance ratings for common elastomers


**Chemical:** Pentane or n-Pentane

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 1

**SBR:** 3

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 3

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentane or n-Pentane | 1 | 4 | 1 | 3 | 4 | 4 | 1 | 2 | 1 | 4 | 3 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentane or n-Pentane — Chemical resistance ratings for common elastomers


**Chemical:** Pentoxone

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentoxone | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentoxone — Chemical resistance ratings for common elastomers


**Chemical:** Pentyl Pentanoate

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pentyl Pentanoate | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pentyl Pentanoate — Chemical resistance ratings for common elastomers


**Chemical:** Peracetic Acid

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Peracetic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Peracetic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Perchloric Acid - 2N

**Nitrile (NBR):** 4

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 2

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Perchloric Acid - 2N | 4 | 1 | 2 | 4 | 2 | 2 | 4 | 2 | 1 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Perchloric Acid - 2N — Chemical resistance ratings for common elastomers


**Chemical:** Perchloroethylene

**Nitrile (NBR):** 2

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Perchloroethylene | 2 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Perchloroethylene — Chemical resistance ratings for common elastomers


**Chemical:** Perfluoropropane

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 2

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Perfluoropropane | X | X | X | X | X | X | X | X | X | X | X | X | 2 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Perfluoropropane — Chemical resistance ratings for common elastomers


**Chemical:** Perfluorotriethylamine

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 2

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Perfluorotriethylamine | X | X | X | X | X | X | X | X | X | X | X | X | 2 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Perfluorotriethylamine — Chemical resistance ratings for common elastomers


**Chemical:** Permanganic Acid

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Permanganic Acid | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Permanganic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Persulfuric Acid (Caro’s Acid)

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Persulfuric Acid (Caro’s Acid) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Persulfuric Acid (Caro’s Acid) — Chemical resistance ratings for common elastomers


**Chemical:** Petrolatum Ether

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Petrolatum Ether | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Petrolatum Ether — Chemical resistance ratings for common elastomers


**Chemical:** Petrolatum

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Petrolatum | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Petrolatum — Chemical resistance ratings for common elastomers


**Chemical:** Petroleum Oil, Above 250°F

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 2

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 4

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Petroleum Oil, Above 250°F | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 4 | 4 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Petroleum Oil, Above 250°F — Chemical resistance ratings for common elastomers


**Chemical:** Petroleum Oil, Below 250°F

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 2

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 2

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Petroleum Oil, Below 250°F | 1 | 4 | 2 | 4 | 2 | 4 | 2 | 2 | 1 | 2 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Petroleum Oil, Below 250°F — Chemical resistance ratings for common elastomers


**Chemical:** Petroleum Oil, Crude

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Petroleum Oil, Crude | 1 | 4 | 2 | 4 | 4 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Petroleum Oil, Crude — Chemical resistance ratings for common elastomers


**Chemical:** Phenol, 70% / 30% H2O

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenol, 70% / 30% H2O | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenol, 70% / 30% H2O — Chemical resistance ratings for common elastomers


**Chemical:** Phenol, 85% / 15% H2O

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenol, 85% / 15% H2O | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenol, 85% / 15% H2O — Chemical resistance ratings for common elastomers


**Chemical:** Phenol

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenol | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenol — Chemical resistance ratings for common elastomers


**Chemical:** Phenolic Sulfonate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenolic Sulfonate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenolic Sulfonate — Chemical resistance ratings for common elastomers


**Chemical:** Phenolsulfonic Acid

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenolsulfonic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenolsulfonic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Phenylacetamide

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylacetamide | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylacetamide — Chemical resistance ratings for common elastomers


**Chemical:** Phenylacetate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylacetate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylacetate — Chemical resistance ratings for common elastomers


**Chemical:** Phenylacetic Acid

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylacetic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylacetic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Phenylbenzene

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylbenzene | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylbenzene — Chemical resistance ratings for common elastomers


**Chemical:** Phenylene Diamine

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylene Diamine | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylene Diamine — Chemical resistance ratings for common elastomers


**Chemical:** Phenylethyl Alcohol

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylethyl Alcohol | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylethyl Alcohol — Chemical resistance ratings for common elastomers


**Chemical:** Phenylethyl Ether

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 4

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 4

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylethyl Ether | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylethyl Ether — Chemical resistance ratings for common elastomers


**Chemical:** Phenylethyl Malonic Ester

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylethyl Malonic Ester | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylethyl Malonic Ester — Chemical resistance ratings for common elastomers


**Chemical:** Phenylglycerine

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylglycerine | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylglycerine — Chemical resistance ratings for common elastomers


**Chemical:** Phenylhydrazine Hydrochloride

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylhydrazine Hydrochloride | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylhydrazine Hydrochloride — Chemical resistance ratings for common elastomers


**Chemical:** Phenylhydrazine

**Nitrile (NBR):** 4

**EPDM:** 2

**Neoprene (CR):** 4

**SBR:** 2

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylhydrazine | 4 | 2 | 4 | 2 | X | 4 | 4 | 4 | 1 | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylhydrazine — Chemical resistance ratings for common elastomers


**Chemical:** Phenylmercuric Acetate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phenylmercuric Acetate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phenylmercuric Acetate — Chemical resistance ratings for common elastomers


**Chemical:** Phorone

**Nitrile (NBR):** 4

**EPDM:** 3

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 3

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 4

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 4

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phorone | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phorone — Chemical resistance ratings for common elastomers


**Chemical:** Phosgene

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosgene | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosgene — Chemical resistance ratings for common elastomers


**Chemical:** Phosphine

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphine | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphine — Chemical resistance ratings for common elastomers


**Chemical:** Phosphoric Acid, 20%

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphoric Acid, 20% | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphoric Acid, 20% — Chemical resistance ratings for common elastomers


**Chemical:** Phosphoric Acid 3 Molar to 158°F

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** 2

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 3

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphoric Acid 3 Molar to 158°F | 1 | 1 | 2 | 2 | 2 | 1 | 3 | 1 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphoric Acid 3 Molar to 158°F — Chemical resistance ratings for common elastomers


**Chemical:** Phosphoric Acid, 45%

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphoric Acid, 45% | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphoric Acid, 45% — Chemical resistance ratings for common elastomers


**Chemical:** Phosphoric Acid Concentrated Room Temp

**Nitrile (NBR):** 2

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** 1

**Silicone (VMQ):** 3

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 2

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 3

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphoric Acid Concentrated Room Temp | 2 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 4 | 3 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphoric Acid Concentrated Room Temp — Chemical resistance ratings for common elastomers


**Chemical:** Phosphoric Acid Concentrated to 158°F

**Nitrile (NBR):** 4

**EPDM:** 1

**Neoprene (CR):** 3

**SBR:** 2

**Silicone (VMQ):** 4

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 3

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 3

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphoric Acid Concentrated to 158°F | 4 | 1 | 3 | 2 | 4 | 1 | 3 | 1 | 1 | 4 | 3 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphoric Acid Concentrated to 158°F — Chemical resistance ratings for common elastomers


**Chemical:** Phosphorus (Molten)

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphorus (Molten) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphorus (Molten) — Chemical resistance ratings for common elastomers


**Chemical:** Phosphorus Oxychloride

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphorus Oxychloride | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphorus Oxychloride — Chemical resistance ratings for common elastomers


**Chemical:** Phosphorus Trichloride Acid

**Nitrile (NBR):** 4

**EPDM:** 1

**Neoprene (CR):** 4

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** 1

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphorus Trichloride Acid | 4 | 1 | 4 | X | X | X | X | X | 1 | X | X | 1 | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphorus Trichloride Acid — Chemical resistance ratings for common elastomers


**Chemical:** Phosphorus Trichloride

**Nitrile (NBR):** 4

**EPDM:** 1

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 1

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phosphorus Trichloride | 4 | 1 | 4 | 4 | X | 1 | X | 4 | 1 | X | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phosphorus Trichloride — Chemical resistance ratings for common elastomers


**Chemical:** Phthalic Acid

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phthalic Acid | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phthalic Acid — Chemical resistance ratings for common elastomers


**Chemical:** Phthalic Anhydride

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Phthalic Anhydride | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Phthalic Anhydride — Chemical resistance ratings for common elastomers


**Chemical:** Pickling Solution

**Nitrile (NBR):** 4

**EPDM:** 3

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 3

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 2

**Viton (FKM):** 2

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 4

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pickling Solution | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 2 | 2 | 4 | 4 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pickling Solution — Chemical resistance ratings for common elastomers


**Chemical:** Picric Acid (aq)

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 2

**Silicone (VMQ):** X

**Butyl (IIR):** 1

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Picric Acid (aq) | 1 | 1 | 1 | 2 | X | 1 | X | 1 | 1 | X | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Picric Acid (aq) — Chemical resistance ratings for common elastomers


**Chemical:** Picric Acid Molten

**Nitrile (NBR):** 2

**EPDM:** 2

**Neoprene (CR):** 2

**SBR:** 2

**Silicone (VMQ):** 4

**Butyl (IIR):** 2

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Picric Acid Molten | 2 | 2 | 2 | 2 | 4 | 2 | X | 2 | 1 | X | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Picric Acid Molten — Chemical resistance ratings for common elastomers


**Chemical:** Pine Oil

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pine Oil | 1 | 4 | 4 | 4 | 4 | 4 | X | 4 | 1 | X | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pine Oil — Chemical resistance ratings for common elastomers


**Chemical:** Pine Tar

**Nitrile (NBR):** 1

**EPDM:** 4

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 2

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pine Tar | 1 | 4 | 2 | 4 | 2 | 4 | 1 | 2 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pine Tar — Chemical resistance ratings for common elastomers


**Chemical:** Pinene

**Nitrile (NBR):** 2

**EPDM:** 4

**Neoprene (CR):** 3

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 2

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pinene | 2 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 1 | 2 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pinene — Chemical resistance ratings for common elastomers


**Chemical:** Piperazine

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Piperazine | X | X | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Piperazine — Chemical resistance ratings for common elastomers


**Chemical:** Piperidine

**Nitrile (NBR):** 4

**EPDM:** 4

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 4

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 3

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Piperidine | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Piperidine — Chemical resistance ratings for common elastomers


**Chemical:** Piranha (H2SO4:H2O2)(70:30)

**Nitrile (NBR):** X

**EPDM:** X

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Piranha (H2SO4:H2O2)(70:30) | X | X | X | X | X | X | X | X | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Piranha (H2SO4:H2O2)(70:30) — Chemical resistance ratings for common elastomers


**Chemical:** Plating Solution (Co,Cu,Au,In,Fe,Pb,Ni,Ag,Sn,Zn)

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** X

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** 1

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Plating Solution (Co,Cu,Au,In,Fe,Pb,Ni,Ag,Sn,Zn) | 1 | 1 | X | X | X | X | X | X | 1 | X | X | 1 | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Plating Solution (Co,Cu,Au,In,Fe,Pb,Ni,Ag,Sn,Zn) — Chemical resistance ratings for common elastomers


**Chemical:** Plating Solutions Chrome

**Nitrile (NBR):** 4

**EPDM:** 2

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 2

**Butyl (IIR):** 2

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 4

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 2

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Plating Solutions Chrome | 4 | 2 | 4 | 4 | 2 | 2 | 4 | 4 | 1 | 4 | 2 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Plating Solutions Chrome — Chemical resistance ratings for common elastomers


**Chemical:** Plating Solutions Others

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** 4

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 1

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Plating Solutions Others | 1 | 1 | 4 | 4 | 4 | 1 | X | 1 | 1 | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Plating Solutions Others — Chemical resistance ratings for common elastomers


**Chemical:** Pneumatic Service

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 4

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Pneumatic Service | 1 | 1 | 1 | 4 | 4 | 1 | 4 | 1 | 1 | 1 | 4 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Pneumatic Service — Chemical resistance ratings for common elastomers


**Chemical:** Polyethylene Glycol

**Nitrile (NBR):** 2

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** X

**Silicone (VMQ):** X

**Butyl (IIR):** X

**Polyacrylate (ACM):** X

**Hypalon (CSM):** X

**Viton (FKM):** 3

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** 1

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Polyethylene Glycol | 2 | 1 | 2 | X | X | X | X | X | 3 | X | X | 1 | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Polyethylene Glycol — Chemical resistance ratings for common elastomers


**Chemical:** Polyglycerol

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Polyglycerol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Polyglycerol — Chemical resistance ratings for common elastomers


**Chemical:** Polyglycol

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Polyglycol | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Polyglycol — Chemical resistance ratings for common elastomers


**Chemical:** Polyvinyl Acetate Emulsion

**Nitrile (NBR):** X

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** X

**Butyl (IIR):** 1

**Polyacrylate (ACM):** X

**Hypalon (CSM):** 2

**Viton (FKM):** X

**Polyurethane (AU/EU):** X

**Fluorosilicone (FVMQ):** X

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Polyvinyl Acetate Emulsion | X | 1 | 2 | 4 | X | 1 | X | 2 | X | X | X | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Polyvinyl Acetate Emulsion — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Acetate

**Nitrile (NBR):** 2

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** 4

**Silicone (VMQ):** 4

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 4

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 4

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Acetate | 2 | 1 | 2 | 4 | 4 | 1 | 4 | 1 | 4 | 4 | 4 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Acetate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Acid Sulfate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Acid Sulfate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Acid Sulfate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Alum

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Alum | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Alum — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Aluminum Sulfate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Aluminum Sulfate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Aluminum Sulfate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Antimonate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Antimonate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Antimonate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Bicarbonate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Bicarbonate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Bicarbonate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Bichromate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Bichromate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Bichromate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Bifluoride

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Bifluoride | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Bifluoride — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Bisulfate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Bisulfate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Bisulfate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Bisulfite

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Bisulfite | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Bisulfite — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Bitartrate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Bitartrate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Bitartrate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Bromide

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Bromide | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Bromide — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Carbonate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Carbonate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Carbonate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Chlorate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Chlorate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Chlorate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Chloride

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 1

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Chloride | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Chloride — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Chromates

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Chromates | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Chromates — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Citrate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Citrate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Citrate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Cupro Cyanide

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 1

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Cupro Cyanide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Cupro Cyanide — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Cyanate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Cyanate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Cyanate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Cyanide

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 1

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 1

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Cyanide | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Cyanide — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Dichromate

**Nitrile (NBR):** 1

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 1

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 1

**Hypalon (CSM):** 1

**Viton (FKM):** 1

**Polyurethane (AU/EU):** 2

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Dichromate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Dichromate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Diphosphate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Diphosphate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Diphosphate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Ferricyanide

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Ferricyanide | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Ferricyanide — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Fluoride

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Fluoride | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Fluoride — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Glucocyanate

**Nitrile (NBR):** 3

**EPDM:** 1

**Neoprene (CR):** 1

**SBR:** 1

**Silicone (VMQ):** 2

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 3

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 1

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Glucocyanate | 3 | 1 | 1 | 1 | 2 | 1 | 4 | 1 | 3 | 4 | 1 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Glucocyanate — Chemical resistance ratings for common elastomers


**Chemical:** Potassium Hydroxide 50%

**Nitrile (NBR):** 2

**EPDM:** 1

**Neoprene (CR):** 2

**SBR:** 2

**Silicone (VMQ):** 3

**Butyl (IIR):** 1

**Polyacrylate (ACM):** 4

**Hypalon (CSM):** 1

**Viton (FKM):** 4

**Polyurethane (AU/EU):** 4

**Fluorosilicone (FVMQ):** 3

**Aflas (TFE/P):** X

**Kalrez (FFKM):** 1

**Rating scale:** 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

> Potassium Hydroxide 50% | 2 | 1 | 2 | 2 | 3 | 1 | 4 | 1 | 4 | 4 | 3 | X | 1 |

Source: <https://mykin.com/rubber-chemical-resistance-chart-5>

Potassium Hydroxide 50% — Chemical resistance ratings for common elastomers