... gasket 2)OEM/ODM is welcomed 3)Certification:ISO9001,Rosh,War Black Customized NBR round rubber gasket 1)We have kinds of ... material : NBR,HNBR,EPDM,SILICONE,VITON,NR,FLS,FFPM,PU,PTFE etc. ... ,HNBR,EPDM,SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon: 20~50degree centigrade;NBR(-40~120C),ACM(-30~180C),VITON(-25~300C)CertificateCE, ROHS ...