Chemical Compatibility

Detergents vs 13 elastomers

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

Detergents
NBR, HNBR, EPDMBest choices
NRAvoid
ElastomerRatingMeaning
NBR Nitrile (Buna-N)AExcellent, continuous service
HNBR Hydrogenated NitrileAExcellent, continuous service
FKM Fluorocarbon (Viton)BGood, minor effect
FFKM PerfluoroelastomerBGood, minor effect
EPDM Ethylene PropyleneAExcellent, continuous service
VMQ SiliconeX
FVMQ FluorosiliconeX
CR Neoprene (Chloroprene)BGood, minor effect
NR Natural RubberDNot recommended
SBR Styrene ButadieneBGood, minor effect
IIR ButylAExcellent, continuous service
AU PolyurethaneX
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 D →

Sealing against Detergents?

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