0.4mm mirror aluminum sheet is among regular specifications of mirror finish anodized aluminum sheet pieces. Other thickness include 0.6mm and 0.8mm etc. Its raw material comes from three series of aluminium sheets: 1xxx, 3xxx and 5xxx. 1050, 1060, 1070 and 1100 boast high purity, simple processes and low prices. The most popular 1xxx 0.4mm mirror aluminum sheet products are 1050 …