Current label: Manufacturer of calendered copper foil for graphene
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The calendered copper foil for graphene 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 between 4-100 microns in thickness and less than 800 mm in width). Its ductility, bending resistance and conductivity are better than electrolytic copper foil, and the copper purity is also higher than electrolytic copper foil. Copper foil is used to make printed circuit board