Silicone o gasket 1,Material: Silicone,rubber etc. 2,Color&Size:can be ... 3,OEM is welcome. Silicone o gasket Material: Natural Rubber, SBR, NBR, EPDM, Silicone ect. Introduction as follows ... seal for a range of fluids.2,Gulf Rubber can manufacture one way valves to handle a ... range of fluids, and service conditions.3,Gulf Rubber specialises in manufacturing precision o'rings where dimensional control ...