Light weight High strength Excellent flatness Water resistance Fire resistanc Formica sheet +glue/ adhesive film +core+ glue/ adhesive film+ FormicaThickness of front skin and reverse skin:0.5mm,0.6mm,0.8mm,1.0mm.Material of core: aluminium honeycomb core ,paper core.Standard thickness: 12mm,15mm,18mm,20mm,30mm,40mm,50mm. Standard size: 2400mm(L) x 1200mm(W).