... as strengthen, which has the advantage of high strength, anti freeze, water-resist, fire-proof, damp-proof, sound-absorption ... ceiling, partition, heat insulating board, base plate, external wall panel, exterior wall cladding etc. For example: Business building, Entertainment ... .24W/MK (Jc/t564) AverageSound-absorption: 45db (GBJ75-84)Anti-bend strength: >15MPa (GB/T7019-1997)Moisture movement rate: ...