Chemical Compatibility

Wolmar Salts vs 13 elastomers

Best choices for Wolmar Salts: NBR, HNBR, FKM, FFKM, EPDM, VMQ, FVMQ, NR, SBR, IIR, AU, FEPM. Full ratings below, A is continuous-service suitable, D is not recommended.

Wolmar Salts
NBR, HNBR, FKMBest choices
—Avoid
ElastomerRatingMeaning
NBR Nitrile (Buna-N)AExcellent, continuous service
HNBR Hydrogenated NitrileAExcellent, continuous service
FKM Fluorocarbon (Viton)AExcellent, continuous service
FFKM PerfluoroelastomerAExcellent, continuous service
EPDM Ethylene PropyleneAExcellent, continuous service
VMQ SiliconeAExcellent, continuous service
FVMQ FluorosiliconeAExcellent, continuous service
CR Neoprene (Chloroprene)BGood, minor effect
NR Natural RubberAExcellent, continuous service
SBR Styrene ButadieneAExcellent, continuous service
IIR ButylAExcellent, continuous service
AU PolyurethaneAExcellent, continuous service
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 W →

Sealing against Wolmar Salts?

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