Chemical Compatibility

Sea Water vs 13 elastomers

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

Sea Water
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 PolyurethaneBGood, minor effect
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 S →

Sealing against Sea Water?

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