Light weight High strength Excellent flatness Water resistance Fire resistanc The structure:Front skin+glue/ adhesive film +core+ glue/ adhesive film+ reverse skinMaterial of front skin and reverse skin :aluminium sheet, aluminium sheet,Thickness of front skin and reverse skin:0.5mm,0.6mm,0.8mm,1.0mm.Material of core: aluminium honeycomb core ,paper core.Standard thickness: 6mm,8mm,10mm, Maximum ...