high density calcium silicate board : 1 sizes:1220*2440 2 thickness:4--22mm 3 100% Non-Asbestos 4 Density: 1.5g /cm3 high density calcium silicate board:Product Specification:Place of Origin: Hebei Province,ChinaProduct Brand: AimiteModel Number: 669AMain Raw material:quartz powder,cement,mica,lime hydrate,glassfiber,etc.Main Dimension: 595*595mm,600*600mm,603*603mm for suspended ceilingThickness ...