It is a type of specially treated fiberglass 12HS satin texture with compact structure and high-temperature resistance, and it can effectively separate the objects from heat sources and spark-spreading zone and block the burning or the isolated burning. Being 0.8mm thick and resistant to high temperature up to 550 degree. It can be widely used in the frame work and repair work in the shipbuilding industry, and also in heat -isolation, insulation and welding in the petrochemical industry.