... moisture-proof, sound insulation, non-sag Shakeproof Calcium Silicate Board is a new green building materials. With silicate and calcium materials as base and ... -proof,sound insulation, heat insulation,no distortion and radiation and used for suspended ceiling, insulating board, base plate, partition,external ... rate:<0.08%(GB/T7019-1997)10.Sound insulation:45db(GBJ75-84)11.Heat conduction:0.24W/ ...