1, Material: 100% silicone Rubber 2,Insulation silicone rubber 3,Insulated silicone rubber sheet 1, Material: 100% silicone Rubber2,Insulation silicone rubber3,Insulated silicone rubber sheetMaterial: 100% silicone RubberColor: Translucent, Dark Red, Black, Blue, ... : Accept to insert 1 PLY glass fabric in the middle of silicone rubber sheetTensile Strength: 7 - 12MpaHardness: 15, 20, 30, 40, 50, ...