Magneisum perlite board, MGO foam board fireproof door core Thickness: 25mm, 36mm, 48mm, 50mm Size: 915mm*2150mm Magnesium perlite boardMGO foam ... of wood.Applications: 1) Advertising field: sign board, billboard, exhibition display, silk screen printing, ... : chemical industry antiseptic project, heat moulding, refrigerator sheet, special freezing project, environmental friendly engineering, control ...