... -strength, small shrinkage, long stability. Fire-resistant gypsum board:It uses gypsum as the main material, adding fiber, bonding agents, modifiers ... , small shrinkage, and the stability of small, non-aging, anti-moth-eaten. It can use nails, sawing, planning, adhesive ... .90mm (3)Type: Noamal Board(with White Paper), Superfine Anti-fire(with Red Paper), Superfine Water-proof(with Green Paper) Quality ...