... Calcium silicate board 1220*2440mm Size:1220*2440*4.5-18mm Feature:fireproof,waterproof,soundproof,high strength,durability PartitionWall Panel. Description: Calcium silicate ... impact-resistant, endurance,stable performance, nondeforming, etc.Product Specification:Place of Origin: Hebei Province,CHinaProduct Brand: AimiteRaw Materials ... , apartment building and so on. 1220*2440mm Calcium silicate board