Chemical Compatibility

Ultra Pure Deionized Water vs 13 elastomers

Best choices for Ultra Pure Deionized Water: FFKM, FVMQ, CR, NR, SBR, IIR. Full ratings below, A is continuous-service suitable, D is not recommended.

Ultra Pure Deionized Water
FFKM, FVMQ, CRBest choices
AUAvoid
ElastomerRatingMeaning
NBR Nitrile (Buna-N)CConditional, test first
HNBR Hydrogenated NitrileCConditional, test first
FKM Fluorocarbon (Viton)BGood, minor effect
FFKM PerfluoroelastomerAExcellent, continuous service
EPDM Ethylene PropyleneBGood, minor effect
VMQ SiliconeBGood, minor effect
FVMQ FluorosiliconeAExcellent, continuous service
CR Neoprene (Chloroprene)AExcellent, continuous service
NR Natural RubberAExcellent, continuous service
SBR Styrene ButadieneAExcellent, continuous service
IIR ButylAExcellent, continuous service
AU PolyurethaneDNot recommended
FEPM Aflas (TFE/P)BGood, minor effect

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 U →

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