... installation ,deadening... Specifications high strength, freeze-proof, water-proof, fiber-proof, sound-proof and non- deformation. Used as ceiling, ... building, hospital, theater and station etc. The size600x600x5mm-6mmMaterials: Tobermorite, cement, Quartz sand, reinforced fiberFire-proof rate: ... %Heat conduction: 0.24W/MK (Jc/t564) AverageSound-proof: 45db (GBJ75-84)Anti-bend strength: >16MPa ( ...