... used for suspended ceiling, insulating board, base plate, partition,external wall panel,etc.Product Details:1.Specification:Partition(1220mmX2440mm,thickness4mm-30mm ... be customized.2.Density:1.2-1.6g/cm33.Color:white,gray,light yellow4.Egde:square, beveled5.Fire-proof Features:incombustible ... %8.Wet-inflation rate:<0.17%(GB/T7019-1997)9.Dry shrinking rate:<0.08%(GB/T7019-1997)10.Sound insulation ...