... CLASS A 3) Moisture resistant 4) Excellent impact resistance Calcium silicate board is a composite material made of sand, ... in bathrooms. Also the most use is wall partition Calcium silicate board product description Raw Materials: Cement, Quartz Sand ... mm3 Size:1220mmx2440mm,1200mmx2400mm,915mmx1830mm,1220mmx3660mm Thickness:3mm---24mm Calcium silicate board main Characteristics: 1)Fire resistant 2) ...