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-----Polyurethane PU sandwich board------

    Polyurethane hard foaming material is recognized as the best thermal protecting material in the world and it is characteristic of low heat conductivity coefficient, good load-bearing performance, high strength against bending, water proof, corrosion proof, insects and rats biting resistant, and wide temperature range.
Baofeng introduces production line from Italy and adopts the physical character of polyurethane PU and special formula to integrate high-temp foamed polyurethane and colored steel plate tightly. Combining hard colored steel and soft chemical material together and with the use of polyurethane PU foaming and forming machine, Baofeng gets the polyurethane PU colored steel sandwich board ,which is a kind of environmental protection building material made of the newest technology and is dreamed of many architects and designers.