... for display,signboard advertisement usage. Thickness: 2mm---6mm Aluminum composite sheet Panel sizes:Thickness: 2mm,3mm and 4mmWidth: 1,220 ... (maximum 6,000mm)Surface aluminum sheet thickness: 0.15/0.2/0.3mmTop aluminum sheet with PE finishCore non-toxic ... polyethyleneBottom aluminum sheet primer coatingFeatures: lightweight, high strength, ...