... resistance,1mm min thickness 2.container,track,factory,mechanical used 3.material:SR,NR,EPDM,SBR,NBR etc. Specificationsrubber sheet ... proof, anti shock and sealing performanceDensity: 1.6g/Cm3Tensile strength: >3.0MPaHardness: 75shoreAElongation: >200%Work temperature: -30-70CApplication: Punching sealsHardness: ... alibaba.com/Domestic ali web:http://xinhuafen.cn.alibaba.com/ CR oilproof rubber seal