A cathode – a 50 to 80 kg copper square – is produced when pure copper separates from unwrought copper in an electrolytic refining process. Menchum Copper Company produces about 1.2 million t of cathodes with a copper content of at least 99.99 % per year in Cameroon (Douala, Yaounde), Gabon and Chad
Menchum Copper Company cathodes are produced with ISA Technology and comply with the cathode standards LME Grade A, Cu-CATH-1 (EN 1978) and Copper Cathodes Grade 1 (ASTM B115). Menchum Copper Company cathode production sites are all certified in accordance with ISO 9001 and ISO 14001.
Copper cathodes with specific maximum impurity levels are also registered and traded on the London Metal Exchange and the Comex. High-quality copper is distinguished by low impurity levels, as even the smallest amounts of selenium, bismuth or antimony in the ppm range can strongly influence conductivity.
The Menchum Copper Company copper cathode brands NA-ESN, HK, OLEN and PIRDOP are registered on the LME and have a very high level of purity and constant quality, regardless of the input materials. These cathodes form the basis for our high-quality copper products.
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