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Chemical Compatibility

Ethanal Compatibility with O-Ring Materials

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

Back to Chemical Compatibility Checker
MaterialCodeTrade NamesRating
Nitrile (Buna-N)NBRBuna-N, HycarD
Hydrogenated NitrileHNBRTherban, ZetpolC
Fluorocarbon (Viton)FKMViton, FluorelD
PerfluoroelastomerFFKMKalrez, ChemrazB
Ethylene PropyleneEPDMNordel, VistalonB
SiliconeVMQSilastic, ElastosilB
FluorosiliconeFVMQFluorosilicone LS, Silastic FSRD
Neoprene (Chloroprene)CRNeoprene, BayprenC
Natural RubberNRNR, Isoprene (IR)B
Styrene ButadieneSBRBuna-S, GR-SC
ButylIIRButyl, Exxon ButylB
PolyurethaneAUAdiprene, VibrathaneD
Aflas (TFE/P)FEPMAflas, FEPMD
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 Ethanal

The table above rates every common O-ring elastomer for service in Ethanal 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 Ethanal, the strongest candidates are Perfluoroelastomer, Ethylene Propylene, Silicone, Natural Rubber, Butyl. 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.