... high strength, no shrinkage 1) Raw materialsgypsum powder, gypsum retaining paper, fiber(wood fiber, paper fiber, fiber glass),cornstarch, vesicant, lightweight aggregate, ... Shandong china 6) Fuction, Advantage and UseSound insulation, heat insulation, moistureproof, fireproofs, water-resiatance, non-desulfuration, environmental protection, pure nature, ... receipt of the T/T deposit or L/C. gypsum board