Codeine

For Codeine, nitrile (nbr) is 2; epdm is 4; neoprene (cr) is 4; sbr is 4; silicone (vmq) is X, verified against its source on 2026-08-12.

Chemical: Codeine verified
Nitrile (NBR): 2 verified
EPDM: 4 verified
Neoprene (CR): 4 verified
SBR: 4 verified
Silicone (VMQ): X verified
Butyl (IIR): 4 verified
Polyacrylate (ACM): 4 verified
Hypalon (CSM): 4 verified
Viton (FKM): 1 verified
Polyurethane (AU/EU): 3 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

Verified2026-08-12

Review by2028-08-11

What the source says

Codeine | 2 | 4 | 4 | 4 | X | 4 | 4 | 4 | 1 | 3 | 2 | X | 1 |

— mykin.com, retrieved 2026-08-12

Last verified against source: 2026-08-12. Due for re-check by 2028-08-11. This page as Markdown · OKF bundle · full dataset as JSON.