Chemical Compatibility

Epoxy Resins vs 13 elastomers

Best choices for Epoxy Resins: FFKM, EPDM, CR, IIR. Full ratings below, A is continuous-service suitable, D is not recommended.

Epoxy Resins
FFKM, EPDM, CRBest choices
FKMAvoid
ElastomerRatingMeaning
NBR Nitrile (Buna-N)CConditional, test first
HNBR Hydrogenated NitrileCConditional, test first
FKM Fluorocarbon (Viton)DNot recommended
FFKM PerfluoroelastomerAExcellent, continuous service
EPDM Ethylene PropyleneAExcellent, continuous service
VMQ SiliconeX
FVMQ FluorosiliconeX
CR Neoprene (Chloroprene)AExcellent, continuous service
NR Natural RubberX
SBR Styrene ButadieneX
IIR ButylAExcellent, continuous service
AU PolyurethaneX
FEPM Aflas (TFE/P)BGood, minor effect

Room-temperature, neat chemical unless stated. Concentration and temperature shift ratings, validate with our lab.

Ratings are for the neat chemical at room temperature unless stated; concentration and temperature change everything. Validate with our lab before committing a compound. Search another chemical → More chemicals starting with E →

Sealing against Epoxy Resins?

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