The grades of aluminum sheet for anodizing are 5005, 5052, 6061 and 6063 aluminum sheet alloy with 0.1 -3mm thickness. The anodised aluminum sheet after anodizing have good appearance and high quality. In recent years, anodized aluminum sheet has also begun to shine in construction projects. As designers pursue large surface, high appearance, and smooth effect, anodized aluminum composite panels have become …