... media, it will use different rubber, including natural rubber, butadiene-styrene rubber, butyl rubber, butadiene-acrylonitrile rubber, EPDM, chloroprene rubber, silicone rubber, fluorous rubber and so on. And ... Certificate:ISO/SGS(RoHS)/FDA/REACH etc Temperature:-60℃~270℃ Customized:Welcome OEM (Drawing,Standard,Size,Your Sample) MOQ:30-10000 ...