Fireproof foam board, MGO foam board fireproof door core spec. Thickness: 25mm, 36mm, 48mm, 50mm Size: 915mm*2150mm Fireproof Foam BoardMGO foam boardSpecifications: 1) Thickness: 25mm ... as the substitution of wood .Applications: 1) Advertising field: sign board, billboard, exhibition display, silk screen printing, laser engraving material2) Building ...