Industrial pure aluminum coil stock, also called 1xxx coil stock, refers to aluminum coil in which the content of aluminum reaches 99% or above. Different number types stands for different content of aluminum in the coil. For example, 1050 means there is 99.5% aluminum element in the coil, and 1060 99.6% aluminum in the coil. The commonly used types are 1050, 1060, 1070, 1100 and 1200.

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