heat insulation exterior gypsum board 1)sound insulation,heat-insulation,moistureproof.Low weight, ... Linyi gypsumboard1)Raw materialsgypsum powder,gypsum retaining paper,fiber(wood fiber,paper fiber,fiber glass),cornstarch,vesicant,lightweight aggregate,citric acid,water, ... protection,pure nature,non-radioatiuve,be used in hang ceiling,separating,etc. 7)Business termsPrice term: FOB Qingdao( ...