... air humidity Shakeproof Calcium Silicate Boardis a new green building materials. With silicate and calcium materials as base and wood fiber as strengthen, ... distortion and radiation and used for suspended ceiling, insulating board, base plate, partition,external wall panel,etc.Product Details ... Density:1.2-1.3g/cm33.Color:white,gray,light yellow4.Egde:square, beveled5.Fire-proof Features:incombustible A ...