... preventing. 2.Firerproof,waterproof. 3.GreenProduct, moisture resistant calcium silicate board is mainly made from silicious material, lime fractory ... feasible in the new system.Sizes:Calcium silicate board :1220*2440*(4-30mm)Calcium silicate ceiling board :595*595*(4-6mm)600*600 ... cement, quartz sand, reinforced fiber2) Color: white,gray,light yellow3) Main dimensions: 595*595mm,1220*2440mm and so ...