Silicone Coated Fiberglass Fabric High Insulation Anti-tear Flexible 560gsm Product Description Silicone coated fiberglass fabric is a flexible thermal insulation material made of twill woven glass fiber cloth with a silicone rubber coating. It is designed where heat insulation and mechanical durability are both required. Glass base: the twill woven E-Glass cloth provides high tensile strength, dimensional stability and corrosion resistance, so the sheet holds its shape under