Specification: Material: silicone rubber Color: translucent Tensile strength: 12Mpa Density: 1.20+/-0.05g/cm3 Breakdown voltage: 20-25KV / mm Temperature: -40C-200C Size: about 500X500mm (20"X20") Thickness: 1/2/3/4/5/6/8mm High quality silicone rubber with good performance of anti-aging, ozone resistance, heat-resistant, electric insulation, oil resistance, solvent resistance, corrosion resistant, nonpoisonous and tasteless, pollution-free. Applications: The car brake plastic cap. Seal gasket. Seal the exhaust system. Spark plug boot. Ignition. Piston rings. Marine shock parts. Hydraulic system seals, oil seals. TV and oscilloscope high hat. Potentiometer seal and insulating sleeve. Insulated stator coil. Contacting gas seals. Insulating sleeve. Switch protective cover, computer, keyboard switches, varistors. Various regulators in the sensitive diaphragm element, the instrument with heating plate, sheet resistance of acupuncture seal boiler. Seals and hoses refrigeration apparatus. Instrumentation shock absorbers. Hydraulic oil system pump seals. Various fire-retardant silicon rubber parts. Supply oxygen system Seal gasket. Diaphragm. Package included: 1pc x silicone rubber sheet Note: Please allow 2-3cm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same