Widely used in high-temperature region in electric power, chemical, metallurgy, shipbuilding, machinery manufacturing and other industries; the metallurgical enterprise zone heating cables, fluid lines, feed quick couplers, rolling area roller mill cable, tubing; Sawing periphery cable, tubing and fittings; steel coated cable car so the field. High temperature sleeve made of high quality E-glass fiber , the high temperature resistant silicon coated with an organic resin by high temperature. High temperature sleeve has a fire-retardant insulation, thermal insulation, anti-power, flexibility and other properties. Fire sleeve is mainly used in high temperature steel mills, smelters, glass, fire-fighting equipment, large venues and other places of high temperature transformer cable insulation protection.