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5. Profile and laminate manufacturing
Copper from both electrowinning and electrolytic refining comes in the form of high-purity cathodes, while extraction cathodes are sometimes a little less pure, less compact and loaded with a little sulfate from the solutions. As such, they are only suitable for limited applications.
5.1 Merchant products
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To be processed into wire, sheet and tube, or machined, copper must be cast into compact metal formats suitable for further processing.
Wires are cast in wire-bars, which are then rolled into rods, from 8 to 25 mm in diameter, suitable for wire-drawing. This format is increasingly being replaced by the direct production of rods, obtained by continuous rolling of a bar, itself cast without...
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Profile and laminate manufacturing
