Chemical Compatibility

Sulfur Liquors vs 13 elastomers

Best choices for Sulfur Liquors: FKM, FFKM. Full ratings below, A is continuous-service suitable, D is not recommended.

Sulfur Liquors
FKM, FFKMBest choices
VMQAvoid
ElastomerRatingMeaning
NBR Nitrile (Buna-N)BGood, minor effect
HNBR Hydrogenated NitrileBGood, minor effect
FKM Fluorocarbon (Viton)AExcellent, continuous service
FFKM PerfluoroelastomerAExcellent, continuous service
EPDM Ethylene PropyleneBGood, minor effect
VMQ SiliconeDNot recommended
FVMQ FluorosiliconeBGood, minor effect
CR Neoprene (Chloroprene)BGood, minor effect
NR Natural RubberBGood, minor effect
SBR Styrene ButadieneBGood, minor effect
IIR ButylBGood, minor effect
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 S →

Sealing against Sulfur Liquors?

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