Silicone Coated Fiberglass Fabric Fire Retardant Grey Anti-tear 560gsm Product Description Silicone coated fiberglass fabric is a fire retardant composite made of twill woven glass fiber cloth with a silicone rubber coating. Its dense grey surface and non flammable base give reliable flame resistance and durability. Glass base: the E-Glass woven fabric gives high tensile strength, stable dimensions and non flammable performance. Silicone coating: the polysiloxane layer seals