... weight, high strength, no shrinkage 1) Raw materialsgypsum powder, gypsum retaining paper, fiber(wood fiber, paper fiber, fiber glass), ... , adhesive, etc. 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 ... of the T/T deposit or L/C. gypsum board