Fire-resistant gypsum board:sound insulation, heat insulation, light-weight, high-strength, small shrinkage, long stability. Fire-resistant gypsum board:It uses gypsum as ... mixing and drying. It has the characteristics of sound insulation, heat insulation, light-weight, high-strength, small shrinkage, and ... scope: 8.0mm-15.90mm (3)Type: Noamal Board(with White Paper), Superfine Anti-fire(with Red ...