Chemical Compatibility

Air, Oil0containing vs 13 elastomers

Best choices for Air, Oil0containing: NBR, HNBR, FKM, FFKM, VMQ, FVMQ, CR, AU. Full ratings below, A is continuous-service suitable, D is not recommended.

Air, Oil0containing
NBR, HNBR, FKMBest choices
EPDM, NR, IIRAvoid
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 PropyleneDNot recommended
VMQ SiliconeAExcellent, continuous service
FVMQ FluorosiliconeAExcellent, continuous service
CR Neoprene (Chloroprene)AExcellent, continuous service
NR Natural RubberDNot recommended
SBR Styrene ButadieneBGood, minor effect
IIR ButylDNot recommended
AU PolyurethaneAExcellent, continuous service
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 A →

Sealing against Air, Oil0containing?

Tell us concentration, temperature and duty, we will recommend and sample the compound.