Excellent resistance to heat (dry air), at +260º C continuous and +260º C intermittent.Remains flexible at low temperatures of -40ºC Resistant to ultra-violet light, ozone and weathering processing,pharma ceutical and cosmetic manufacturing area Keep constant even at high temperatures, Good electrical insulation Use the Rubber Sheet for projects like gasket creation, vibration reduction, water insulation, leveling objects, abrasion, floor cushioning, hammering protection, electric insulation, sound reduction. Package including: 1 pcs Silicone Grade Rubber Gasket Material 1/25x12 x12 inch (1.0mmx305mmx305mm) 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.