Copper cathode 99.99% purity.
Copper cathodes.
Electrolytic copper.
Copper-wires, copper alloy wire, tinsel wire, copper tinsel wire, lead wire, conductor.
Copper scrap.
Copper ore.
Copper clad laminate, prepreg (pp), unclad laminate (epoxy unclad sheet),e fiber glass cloth, bakelite.
Copper sulphate pentahydrate.
Isotape copper powder.Agent