Marble grain aluminum sheet is a kind of aluminum alloy sheet with marble texture, whose surface is specially treated to show marble-like texture and texture. The thickness of marble aluminum sheet is usually between 0.2mm and 4.0mm, and the alloy is mainly 1xxx, 3xxx, 5xxx series aluminum alloy, such as 1060, 1100, 3003, 3004, 3104, 3105, 5005, 5052, and the tempers are usually …