Made of high quality silicone rubber,These sheets are 305mm wide and available in 3mm, Resistant to ultra-violet light, ozone and weathering processing,pharma ceutical and cosmetic manufacturing area Excellent resistance to heat (dry air),Remains flexible at low temperatures of -40ºC.Keep constant even at high temperatures, Good electrical insulation Application: gaskets, pads, washers,leveling objects, floor cushioning, electric insulation, sound reduction. Package included: 1 Pcs 305x305mm,Thickness 3mm (0.12x12x12 inch) Thermal Conductivity: 1wmk Continous use Temp: -60 To 200 Celsius Degrees (428F) hardness: 60+/-5 Shore A Rohs: PASS Specific Gravity: 1.2g/cm2 Function: temperature resistance, insulated Application:For industrial use,high and low temperature use. Material: Silicone Rubber sheet Silicone Rubber works well as an electrical insulator for surge protectors and transmission and energy distribution substations The color of the actual item may slightly vary from the above images due to the different computer screen, thanks for understanding. Payment Policy - We Only Accept PayPal. Shipping Policy - We Will Send Your Product Within 5 Business Day. You Will Get Your Product Within 10-30 Business Days. Return Policy - Buyer Is Responsible For Paying All Shipping Taxes.