... price. common gypsum board It uses gypsum as the main material, adding fiber, bonding agents, modifiers, formed by suppressing, ... mixing and drying. It has the characteristics of fire sound insulation, heat insulation, light-weight, high-strength, small ... .90mm(3)Type: Noamal Board(with White Paper), Superfine Anti-fire(with Red Paper), Superfine Water-proof(with Green Paper)Tapered ...