XPS Materials are predominant compared with traditional heat preservation materials, since they are always featured with excellent functions of heat preservation, moisture proof and press resistance. Such materials are extruded with special technique and polystyrene colophony, since their beehive-structured interconnection walls are of certain thickness without any interspaces; therefore, these panels are of above excellent functions. Besides, with specialized technique, their high intension and stability are guaranteed. Such materials are equipped with incomparable advantages compared with other materials towards the heat preservation and separation with roofing, wall body and ground. Meanwhile, with their good functions of sound insulation, moisture proof, and erosion resistance, they are also the best choices for indoor decoration as well as floor filling board; furthermore, they are still widely used in the fields of refrigerator construction, floor freeze-expansion control as well as roofing retreading. Specification Length 1800mm.2500mm (free) Width 600mm,900mm Thickness 20mm,25mm,30mm,40mm,50mm SpecificationDensity Kg/m3Service TemperatureAnti- fold Strength MpaFire ResistancehygroscopicTransmit heat the coefficient w/m.kData>40-50 70>0.25B1,B2<1.5%<0.028