MGO perlite board, MGO foam board fireproof door core spec Thickness: 25mm, 36mm, 48mm, ... the substitution of wood.Applications: 1) Advertising field: sign board, billboard, exhibition display, silk screen printing, laser engraving ... cabinet .3) Industrial use: chemical industry antiseptic project, heat moulding, refrigerator sheet, special freezing project, environmental friendly engineering, control ...