Chemical Compatibility

Fc 75 vs 13 elastomers

Best choices for Fc 75: NBR, HNBR, EPDM, VMQ, CR, IIR. Full ratings below, A is continuous-service suitable, D is not recommended.

Fc 75
NBR, HNBR, EPDMBest choices
FFKM, SBRAvoid
ElastomerRatingMeaning
NBR Nitrile (Buna-N)AExcellent, continuous service
HNBR Hydrogenated NitrileAExcellent, continuous service
FKM Fluorocarbon (Viton)BGood, minor effect
FFKM PerfluoroelastomerDNot recommended
EPDM Ethylene PropyleneAExcellent, continuous service
VMQ SiliconeAExcellent, continuous service
FVMQ FluorosiliconeBGood, minor effect
CR Neoprene (Chloroprene)AExcellent, continuous service
NR Natural RubberX
SBR Styrene ButadieneDNot recommended
IIR ButylAExcellent, continuous service
AU PolyurethaneX
FEPM Aflas (TFE/P)CConditional, test first

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 F →

Sealing against Fc 75?

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