Light weight High strength Excellent flatness Noice absorption Water resistance FRP skin+glue+alu core+ glue+ FRP skin Thickness of front skin and reverse skin:1.0mm,1.5mm,2.0mmMaterial of core:PP honeycomb core Standard thickness: 12mm,15mm,18mm,20mm,30mm,40mm,50mm. Maximum size: 9000mm(L) x 3000mm(W). FRP honeycomb panel with gel coating for truck body