Luoyang Yu Industrial Co., Ltd. to you about polyurethane insulation board: rigid polyurethane insulation board fire retardant, high temperature. After the addition of a flame retardant polyurethane, is a nonflammable, self-extinguishing material, its softening point can reach 250 degrees Celsius, will appear only at higher temperatures decomposition: additional wall insulation board, polyurethane combustion its surface will bubble gray layer of ash that will help isolate the underlying foam. Can effectively prevent the spread of fire. Further, the polyurethane does not produce harmful gases at high temperatures. Luoyang Yu Industrial Co., Ltd. to you about polyurethane insulation board: Disadvantages: insulation board type formula, the ratio of messy, unstable polyurethane insulation board, resulting in poor physical stability of the plate, the insulation effect is not good; the construction of the painting class unresolved, it is difficult to ensure project quality. Features, performance characteristics insulation board: high fire resistance, high insulation resistance, relative strength, and not broken, light weight, non-toxic, long life, good water resistance, good interface, energy security. Phenolic insulation board insulation board _ _ Zhejiang Great Yu Industrial quality assurance provided by Luoyang, Henan Industries Limited. Luoyang, Henan Industrial Co., Ltd. (www.lydayushiye.com/) strong, credible, in Luoyang indoor paint industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead a large Yu Industrial Co. into the brilliant and you work for a better future!