... mm.Tolerance meet ISO3302-1:1996 M1 High precisionAvailable material: NBR, EPDM, Silicone, HNBR, FKM, FLS, SBR, CR, ... the fluid liquid or gas, often works as a part of the whole set of sealing parts. O- ... static seal and dynamic seal, main material contains: NBR,SR,VITON,SILICON PTFE,HNBR,PU etc. Feature of ... f or oil seal, O-Ring and rubber gasket like: NBR, HNBR, CR, PDFE, EPDM, SILICONE, VITONE, etc. ...