Chemical Compatibility

Hydrogen Bromide vs 13 elastomers

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

Hydrogen Bromide
FKM, FFKM, EPDMBest choices
—Avoid
ElastomerRatingMeaning
NBR Nitrile (Buna-N)CConditional, test first
HNBR Hydrogenated NitrileCConditional, test first
FKM Fluorocarbon (Viton)AExcellent, continuous service
FFKM PerfluoroelastomerAExcellent, continuous service
EPDM Ethylene PropyleneAExcellent, continuous service
VMQ SiliconeX
FVMQ FluorosiliconeX
CR Neoprene (Chloroprene)CConditional, test first
NR Natural RubberX
SBR Styrene ButadieneX
IIR ButylX
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 H →

Sealing against Hydrogen Bromide?

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