... Non asbestos No formaldehyde waterproof fireproof fireproof,waterproof,moisture proof,sound and heat insulation,easy to work,safe and green.Fireproof building ... is main used in interlayer wall, external wall, sound and heat insulation structure. It is made of cement, quartz sand, fiber ... fireproof. (CLASS A,GB8624-A,ASTM E136)2) Sound and heat insulation(>45db)3) Stability4) Easy to work with.5) Impact ...