Isobutyric Acid
What is the nitrile (nbr) for Isobutyric Acid?
For Isobutyric Acid, nitrile (nbr) is 1; epdm is 2; neoprene (cr) is 4; sbr is X; silicone (vmq) is 2; butyl (iir) is X; polyacrylate (acm) is X; hypalon (csm) is X; viton (fkm) is 4; polyurethane (au/eu) is X; fluorosilicone (fvmq) is X; aflas (tfe/p) is 3; 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.
Isobutyric Acid | 1 | 2 | 4 | X | 2 | X | X | X | 4 | X | X | 3 | 1 |
— mykin.com, retrieved 2026-08-12
- Chemical
- Isobutyric Acid verified
- Nitrile (NBR)
- 1 verified
- EPDM
- 2 verified
- Neoprene (CR)
- 4 verified
- SBR
- X verified
- Silicone (VMQ)
- 2 verified
- Butyl (IIR)
- X verified
- Polyacrylate (ACM)
- X verified
- Hypalon (CSM)
- X verified
- Viton (FKM)
- 4 verified
- Polyurethane (AU/EU)
- X verified
- Fluorosilicone (FVMQ)
- X verified
- Aflas (TFE/P)
- 3 verified
- Kalrez (FFKM)
- 1 verified
- Rating scale
- 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 = Unsatisfactory, X = Insufficient Data verified
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
- mykin.comhttps://mykin.com/rubber-chemical-resistance-chart-3