... working.temperature:-40c~+120c 3.material: Epdm,Nbr,Silicone,Fkm,etc. 4.AS568 in Shore A/ ... mm.Tolerance meet ISO3302-1:1996 M1 High precisionAvailable material: NBR, EPDM, Silicone, HNBR, FKM, FLS, SBR, CR ... static seal and dynamic seal, main material contains: NBR,SR,VITON,SILICON PTFE,HNBR,PU etc. Feature ... or oil seal, O-Ring and rubber gasket like: NBR, HNBR, CR, PDFE, EPDM, SILICONE, VITONE, etc ...