Chemical Compatibility

Hydrogen Fluoride vs 13 elastomers

Best choices for Hydrogen Fluoride: FFKM, FEPM. Full ratings below, A is continuous-service suitable, D is not recommended.

Hydrogen Fluoride
FFKM, FEPMBest choices
NBR, HNBR, FKMAvoid
ElastomerRatingMeaning
NBR Nitrile (Buna-N)DNot recommended
HNBR Hydrogenated NitrileDNot recommended
FKM Fluorocarbon (Viton)DNot recommended
FFKM PerfluoroelastomerAExcellent, continuous service
EPDM Ethylene PropyleneCConditional, test first
VMQ SiliconeX
FVMQ FluorosiliconeX
CR Neoprene (Chloroprene)DNot recommended
NR Natural RubberX
SBR Styrene ButadieneX
IIR ButylX
AU PolyurethaneX
FEPM Aflas (TFE/P)AExcellent, continuous service

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 H →

Sealing against Hydrogen Fluoride?

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