Raw Materials: Cement, Quartz Sand, Fiber Size: 1220*2440mm / 1200*2400mm Thickness: 4.5mm~25mm Density: 1350±10~1550±10 g/cm3 Fire Resistance:Incombustibility A1 Class Color: Grey/White/Black/Yellow/Light Green/Red Certificate: ISO9001,CE,COC,SONCAP Application: Partition System, Suspended System