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Chemical Compatibility

Amines Mixed (allyl, Ethyl, Etc.) Compatibility with O-Ring Materials

See how Nitrile, Viton (FKM), EPDM, FFKM, silicone and other seal materials rate against Amines Mixed (allyl, Ethyl, Etc.), with an A–D chemical resistance scale.

MaterialCodeTrade NamesRating
Nitrile (Buna-N)NBRBuna-N, HycarD
Hydrogenated NitrileHNBRTherban, ZetpolD
Fluorocarbon (Viton)FKMViton, FluorelD
PerfluoroelastomerFFKMKalrez, ChemrazA
Ethylene PropyleneEPDMNordel, VistalonB
SiliconeVMQSilastic, ElastosilB
FluorosiliconeFVMQFluorosilicone LS, Silastic FSRD
Neoprene (Chloroprene)CRNeoprene, BayprenB
Natural RubberNRNR, Isoprene (IR)B
Styrene ButadieneSBRBuna-S, GR-SB
ButylIIRButyl, Exxon ButylB
PolyurethaneAUAdiprene, VibrathaneD
Aflas (TFE/P)FEPMAflas, FEPMB
ABCDX

Guideline only. Values and ratings are representative at ambient conditions and are not a warranty of performance. Actual results vary with temperature, pressure, concentration and exposure time. Validate for your specific application — our engineers can help.

Choosing a seal material for Amines Mixed (allyl, Ethyl, Etc.)

The table above rates every common O-ring elastomer for service in Amines Mixed (allyl, Ethyl, Etc.) on an A–D scale. A is Excellent, B is Good, C is Fair (test before relying on it), and D is Not Recommended. An X indicates insufficient published data.

For Amines Mixed (allyl, Ethyl, Etc.), the strongest candidates are Perfluoroelastomer, Ethylene Propylene, Silicone, Neoprene (Chloroprene), Natural Rubber, Styrene Butadiene, Butyl, Aflas (TFE/P). These ratings are representative at ambient conditions (~20°C). Compatibility shifts with temperature, concentration, pressure and exposure time, so always validate the material against your real operating envelope before committing to a design.