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Chemicals – W

O-Ring Fluid Compatibility Guide – W’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
WAGNER
21B Brake Fluid
1 4 1 4 1 3 3 4
Water 1 1 1 1 1 1 1 1
WEMCO
C
1 1 1 1 4 1 4 1
Whiskey
& Wines
1 1 1 1 1 1 1 1
White
Pine Oil
1 1 1 1 4 2 4 1
Wolmar
Salts
1 1 1 1 1 1 1 1