... .5mm=6KGM2, 8.5mm=7KGM2,9.5mm=6KGM2 Plasterboard:High waterproof ,damproof , anti-flaming, heat insulated and radiation protection, prevent ... have many advantages compared with other ceilings, such as high waterproof ,damproof , anti-flaming, heat insulated and radiation protection, prevent ... plastic film without wooden palletThermal conductivity 0.16W/mKMoisture rate2% PVC paper plasterboard