The line takes Butane as the vesicant, and adopts physical method to produce the high foaming sheet. The products can be used as the shock absorption and protection packing of the TV setes, refrigerators,
bicycles, motorcycles and furnitures. After compounding with other materials, the products can be served as box bag lining, life jacket and swim-practising plate, it also application for as the heat preservation of plastics green house in winter and the many decoration materials with sound absorption and heat insulation in building.