... rubber 1, Material: 100% silicone Rubber2,Insulation silicone rubber3, heating silicon rubberMaterial: 100% silicone RubberColor: Translucent, Dark Red, Black, Blue, ... rubber sheetTensile Strength: 7 - 12MpaHardness: 15, 20, 30, 40, 50, 60, 70, 80+/-5Shore AElongation: 300% - 760%Density: 1.25+/-0 ...