Light weight, high strength, fire-proof, water-proof, moisture-proof, sound insulation, heat insulation, thermal insulation. 1.Green ... so on. It is a new green building board material with fire-proofing, sound-proofing, water-proofing, environmental protection, hignintensity, ... to forge ahead and strive for excellence.More Photos Fire proof wall panel with plantfiber coal ash cement(100mm,hollow)