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Chemical Compatibility

Ethylene Chloride Compatibility with O-Ring Materials

See how Nitrile, Viton (FKM), EPDM, FFKM, silicone and other seal materials rate against Ethylene Chloride, with an A–D chemical resistance scale.

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MaterialCodeTrade NamesRating
Nitrile (Buna-N)NBRBuna-N, HycarD
Hydrogenated NitrileHNBRTherban, ZetpolB
Fluorocarbon (Viton)FKMViton, FluorelB
PerfluoroelastomerFFKMKalrez, ChemrazA
Ethylene PropyleneEPDMNordel, VistalonD
SiliconeVMQSilastic, ElastosilD
FluorosiliconeFVMQFluorosilicone LS, Silastic FSRB
Neoprene (Chloroprene)CRNeoprene, BayprenB
Natural RubberNRNR, Isoprene (IR)B
Styrene ButadieneSBRBuna-S, GR-SB
ButylIIRButyl, Exxon ButylB
PolyurethaneAUAdiprene, VibrathaneB
Aflas (TFE/P)FEPMAflas, FEPMX
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 Ethylene Chloride

The table above rates every common O-ring elastomer for service in Ethylene Chloride 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 Ethylene Chloride, the strongest candidates are Hydrogenated Nitrile, Fluorocarbon (Viton), Perfluoroelastomer, Fluorosilicone, Neoprene (Chloroprene), Natural Rubber, Styrene Butadiene, Butyl, Polyurethane. 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.