... 1.5meters Specific Gravity: 1.5~1.8g/cm3 Cloth Insertion Rubber SheetThickness*Length: 2-40mm×5-20mWidth: Within 2meters, usually ... : 1.5~1.8g/cm3Tensile strength: over 3.0MpaThe insertion rubber sheet can be made of variety of rubber sheet ... ,such as SBR,NBR,CR,etc,The insertion including cotton insertion , nylon insertion , terylene insertion , EP insertion, can insert one layer or two layers ...