Current label: Production of oxygen free calendered copper foil
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Oxygen free calendered copper foil is a product made by repeatedly rolling and annealing high-precision copper strip (usually less than 150 microns in thickness) based on the principle of plastic processing (usually 4-100 microns in thickness and<800 mm in width). Its ductility, bending resistance and conductivity are superior to electrolytic copper foil, and the copper purity is also higher than electrolytic copper foil. Copper foil is used to make printed circuit board(