Chemical Compatibility

Lb 135 vs 13 elastomers

Best choices for Lb 135: NBR, HNBR, FKM, FFKM, EPDM, CR, FEPM. Full ratings below, A is continuous-service suitable, D is not recommended.

Lb 135
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 SiliconeX
FVMQ FluorosiliconeX
CR Neoprene (Chloroprene)AExcellent, continuous service
NR Natural RubberX
SBR Styrene ButadieneX
IIR ButylX
AU PolyurethaneX
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 L →

Sealing against Lb 135?

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