Reference Source

Freon, 12 and Suniso 4G (50/50 Mixture)

What is the nitrile (nbr) for Freon, 12 and Suniso 4G (50/50 Mixture)?

For Freon, 12 and Suniso 4G (50/50 Mixture), nitrile (nbr) is 2; epdm is 4; neoprene (cr) is 3; sbr is 4; silicone (vmq) is 4; butyl (iir) is 4; polyacrylate (acm) is X; hypalon (csm) is 2; viton (fkm) is 1; polyurethane (au/eu) is X; fluorosilicone (fvmq) is 2; aflas (tfe/p) is X; kalrez (ffkm) is 1; rating scale is 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data, verified against its source on 2026-09-18.

Freon, 12 and Suniso 4G (50/50 Mixture) | 2 | 4 | 3 | 4 | 4 | 4 | X | 2 | 1 | X | 2 | X | 1 |

— mykin.com, retrieved 2026-08-12

Chemical
Freon, 12 and Suniso 4G (50/50 Mixture) verified
Nitrile (NBR)
2 verified
EPDM
4 verified
Neoprene (CR)
3 verified
SBR
4 verified
Silicone (VMQ)
4 verified
Butyl (IIR)
4 verified
Polyacrylate (ACM)
X verified
Hypalon (CSM)
2 verified
Viton (FKM)
1 verified
Polyurethane (AU/EU)
X verified
Fluorosilicone (FVMQ)
2 verified
Aflas (TFE/P)
X verified
Kalrez (FFKM)
1 verified
Rating scale
1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data verified
Sourcemykin.com
Verified
Review by
DatasetChemical resistance ratings for common elastomers

Where each value comes from

The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.

Rating scale

LEGEND: 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data

— all from mykin.com, retrieved 2026-08-12

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.