Suntex SI123-1070 is asbestos free woven fiberglass fabric impregnated with a special chemical, water and oil resistance silicone rubber. Silicone coating adds abrasion resistance and waterproofing to the fabrics. Silicone Coated Fiberglass Fabrics excel in High Temp. It is also flexible. These fabrics are good for making removable insulation jacketing, cover, blanket, pad, mattress. Max. continuous temp. to 1100°F(550°C).