... ,heat-insulation,moistureproof.Low weight,high invention 2)competitive high density fireproof gypsum board1)sound insulation,heat-insulation,moistureproof.Low weight ... ,paper fiber,fiber glass),cornstarch,vesicant,lightweight aggregate,citric acid,water,adhesive,etc. 2)Product Description(size and thickness)Normal size ... *1200*121050(40 FCL)3000*1200*9.5850(40FCL) high density fireproof gypsum board