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Chemicals – O

O-Ring Fluid Compatibility Guide – O’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
o-Chlorophenol1114442
o-Dichlorobenzene11414442
o-Nitrotoluene1
o-sec-Amylphenol1
Octachloro
Toluene
1114442
Octafluorocyclobutane2221
Octafluoropropane2
Octanal1
Olefins1
Oleic
Acid
1212434
Oleum
(Fuming Sulfuric Acid)
11114342
Oleyl
Alcohol
1
Olive
Oil
11112131
Orthochloro
Ethyl Benzene
11414442
Oxalic
Acid
11111221
Oxygen,
Gas (Hot)
13434421
Oxygen,
Liquid
244444
Ozonated
Deionized Water
1212
Ozone11111411