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Chemicals – K

O-Ring Fluid Compatibility Guide – K’s

(for reference 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
KEL-F
Liquids
3 2 3 2 1 1 1 2
Kerosene 1 1 2 1 4 1 4 1