... 5,600x600mm,603x603,595x595 Product Description In DetailsSpecifications:The pvc gypsum boards are covered with pvc on the face and ... moisture-proof,heat-preventing,and so on.Gypsum ceilings are the only finest super white gypsum powder as main ingredient.They are ... moisture-proof,heat-preventing,and so on.Gypsum ceilings are the only finest super white gypsum powder as main ingredient.They are ...