... .(2) Material : NBR, FPM (VITON) , MVQ (SILICONE) , ACM ,EPDM ,PTFE(teflon) ,HNBR ,(3) Outside diameter from:6mm to 500mm(4) Specialized ... oil seal, water seals, gasket,washer ,PTFE seals, PTFE ring ,teflon gasket ,molded rubber products, rubber roller, rubber cover ,(5) OEM ...