... ,Rosh,War Black Customized NBR round rubber gasket 1)We have kinds of material : NBR,HNBR,EPDM,SILICONE,VITON ... SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon: 20~50degree centigrade;NBR(-40~120C),ACM(-30~180C),VITON(-25~300C)CertificateCE ... Clear, etcSPECIALFeaturesOil-resistant; heat resistant; abrasion-resistant;aging resistant; insulation; acid and alkaline resistant; airtight; shock absorption, etc. ...