Fire material waterproof, moisture-proof insulation material, acoustic insulation materials, sound-absorbing material. is a new green ... proof,sound insulation, heat insulation,no distortion and radiation and used for suspended ceiling, insulating board, base plate, partition,external wall panel, ... shrinking rate:<0.08%(GB/T7019-1997)10.Sound insulation:45db(GBJ75-84)11.Heat conduction:0.24W/MK ...