Chemical Compatibility

Exhaust Gases, Containing Hydrogen Chloride vs 13 elastomers

Best choices for Exhaust Gases, Containing Hydrogen Chloride: FKM, FFKM, EPDM, CR, NR, SBR, IIR. Full ratings below, A is continuous-service suitable, D is not recommended.

Exhaust Gases, Containing Hydrogen Chloride
FKM, FFKM, EPDMBest choices
—Avoid
ElastomerRatingMeaning
NBR Nitrile (Buna-N)BGood, minor effect
HNBR Hydrogenated NitrileBGood, minor effect
FKM Fluorocarbon (Viton)AExcellent, continuous service
FFKM PerfluoroelastomerAExcellent, continuous service
EPDM Ethylene PropyleneAExcellent, continuous service
VMQ SiliconeX
FVMQ FluorosiliconeX
CR Neoprene (Chloroprene)AExcellent, continuous service
NR Natural RubberAExcellent, continuous service
SBR Styrene ButadieneAExcellent, continuous service
IIR ButylAExcellent, continuous service
AU PolyurethaneX
FEPM Aflas (TFE/P)X

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 Exhaust Gases, Containing Hydrogen Chloride?

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