... Our main product are molded rubber parts products like O rings, rubber seals, rubber band, oil seal,water seal ... /standard and nonstandardBrand Nameo ringMaterialNBR,HNBR,EPDM,SILICONE,VITON,FLS,FFPM,PTFETemperatureCommon: 20~50degree centigrade;NBR(-40 ... ~120C),ACM(-30~180C),VITON(-25~300C)CertificateCE, ROHS, PAHS, REACHColorRed, Black, ...