... )Thickness(mm)22806001002800600100280060012028006001503000600100"Xurui" plant fiber high-strength lightweight partition board is made of natural plant fiber , coal ash, cement ... oxide and so on. It is a new green building board material with fire-proofing, sound-proofing, water-proofing, environmental ... and strive for excellence.More Photos Five-proof light patition wallboard(green building materials)