... . light weight, high strength, no shrinkage 1) Raw materialsgypsum powder, gypsum retaining paper, fiber(wood fiber, paper fiber, fiber glass),cornstarch ... .2) Product Description (size and thickness)Normal size: 2440x1220mm, 2400x1200mm 3600*1200, 3000*1200, 1830*1220.Normal thickness scope:7.0 ... ,7.5,8.0,8.5mm,9mm,9.5mm10mm,12mm,15mm.Length scope: 1800-3660mm, Width scope: 900-1220mm, Thickness ...