1.Easily curved or grooved in site, 2.Recycled core & sheet, aluminum alloy 3.Corrugated structure inside, 4 ... Panel FeaturesDurable adhesive performance. Water-wave structure of aluminum core and curve shaped of interfacial bonding with front and ... : 1.0, 0.8, 0.6 0.4mm Aluminum sheetBack: 0.8, 0.6 0.4mm Aluminum sheetCorrugated sandwich core: 0.3,0.2mm Aluminum coil Core thickness: 4 ...