Hantai fire-proof casing is made of 9 micron alkali free glass fiber woven coating high temperature organic heat-resistant silica gel high temperature vulcanization. The product has excellent high temperature fire protection function and heat insulation effect. The fire-retardant grade VW-1, insulation grade ≥ 7kv, product tensile strength ≥ 5.5mpa, tear strength ≥ 10kn/m, elongation of product ≥ 200%, hardness of 40-45shore a. The products are widely used in robot, metallurgy casting, hydraulic fluid pipeline, high temperature protection of engineering machinery, medium frequency induction furnace, rail transit and harness, cable, metal hose and other harsh environment.