... : good quality paper-faced gypsum board 2) Surface Disposal: Imported PVC FILM 3) Thickness: 7. 5mm, 8. 0mm, 8. 5mm, 9. 0mm ... Break: 7mm>110N 8mm>120N 9mm>140N 10) Fireproof Performance: non-flammable B1, According with GB8624-1997 it has a character ... of safe, environmental, healthy, non-dust, noxious free, moisture-proof, sunken proof, and easy to ...