... 4.AS568 in Shore A silicone o-rings:O-Ring is used as static and dynamic seals for a wide ... or oil seal, O-Ring and rubber gasket like: NBR, HNBR, CR, PDFE, EPDM, SILICONE, VITONE, etc. Can choose ... the acids, aliphatic hydrocarbons, aromatic hydrocarbons and animal and vegetable oils. MertirialApplications HardnessPerformanceDocumentNBR,FPM (VITON) , MVQ (SILICONE) , ACM ,EPDM ,PTFEHNBR ,automobile, ...