Aluminum Coated Coil 1,Alloy:1100,3003,3005,3105, 2,Thickness:0.022mm-0.5mm 3,Surface: PE coating Alloy: 1100,3003,3005,3105Thickness:0.022mm-0.5mmSurface:PE coating Coated Thickness: Face side:18±2umBack side:6-8umColor:RAL or According to customer request