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1 and varied specification, such as entrepreneurial, H, corrugated etc, and bright color, without surface decoration 2 and convenient installation Not only reduce construction item of composite foundation engineering and structural engineering cost, and repeated disassembling and convenient installation and comprehensive benefit is remarkable. 3 and fire The core material for b1class flame retardant materials, the oxygen index, combustion will not melt 26, and there is no black smoke, no heat decomposition drops. For the current domestic high-level composite plate, fire-proof building adornment is decorated with GMP workshop preferred. 4 and temperature range The core material used in - 70 degrees Celsius temperature 120 degrees Celsius, instant + + 200 ° c, of ultralow temperature even in use in environment, wear-resissting improver, cryogenic storage) engineering (ideal insulation material. 5 and low thermal conductivity (lambda < = 0.041 w/consultation), heat insulation performance. 6, avirulent insipidity The core material without freon foaming agent, when burning gas, avirulent insipidity overflow with environmental harmless to human body, conforms to the national environmental protection requirement, is a new type of green environmental protection building materials. 7, waterproof and wet The core material belongs to the organic polymer foaming material, its structure of closed type, good resistance to water vapor permeability and resistance.