钚小组的三明治

PUsandwich panel: light weight, heat and sound insulation,anti-corrosion and bending,easy to install.low cost, nice appearance.etc. PUsandwich panel used color coating steel sheet as durface board, it uses self-extinguishing polystyrene, polyurethane, crystal cotton and rock cotton as core material, it is over-light architectural board heated and pressed in countuous moulding machine with solidifying glue,It has excellents of amall weight(1/20-1/30) of concrete roof).heat preservation,heat insulation,rapid construction speed, is a new type prodtection structural material congregated bearing, heat preservation and water resistance. The product is used to purify factory roof, protect and purify product industrial factory, storehouse,refrigeratory, large-span roof board, adding layer for original building, temporary office, store, market and sentry box. Technical specifications: 1.Board thinkness:50mm-150mm 2.Weight:9.97kg/m2-13.23kg/m2 3.Use temperature:70°C-80°C 4.Oxygen index:≥26 5.effective width:950mm,960mm( no length limit) 6.front and back thickness:0.35mm 0.1mm