O-Ring Fluid Compatibility Guide  (for reference use only)

1
= Recommended  2 = Probably Satisfactory  3 = Marginal  4 = Not Recommended

Chemical / Media

Perfluoro-
elastomer
Viton
ETP
Aflas
TFE/P
Viton
FKM
EPDM
P.C.
Buna-N
NBR
Silicone
Fluoro-
silicone