Chemical Compatibility

Sodium Phosphate, Dibasic vs 13 elastomers

Best choices for Sodium Phosphate, Dibasic: NBR, HNBR, FKM, FFKM, EPDM, NR, SBR, IIR, AU, FEPM. Full ratings below, A is continuous-service suitable, D is not recommended.

Sodium Phosphate, Dibasic
NBR, HNBR, FKMBest choices
VMQAvoid
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 SiliconeDNot recommended
FVMQ FluorosiliconeX
CR Neoprene (Chloroprene)BGood, minor effect
NR Natural RubberAExcellent, continuous service
SBR Styrene ButadieneAExcellent, continuous service
IIR ButylAExcellent, continuous service
AU PolyurethaneAExcellent, continuous service
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 Sodium Phosphate, Dibasic?

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