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    • Copper - Lump

      Known to ancient civilisations. Copper is a reddish coloured metal which is malleable and ductile. It has excellent thermal and electrical conductivities and good corrosion resistance. It is found in sulphide ores and as carbonate, arsenide and chloride (abundance in the Earth's crust is 50 ppm). Extraction of the metal involves roasting the ore to produce the oxide, followed by reduction and purification by electrolysis. The element is inert to non-oxidising acids but reacts with oxidising agents. In air, it will weather to produce the characteristic green patina of the carbonate. Copper will combine with oxygen on heating to produce CuO at red heat, and Cu₂O at elevated temperatures. Pure copper has an electrical conductivity second only to that of silver and hence its main application is in the electrical industry. Copper is also the basis of many important alloys (e.g. brass, bronze and aluminium bronze) and has been traditionally considered to be one of the coinage metals, along with silver and gold, but being more common, is the least valued. It is one of the first metals ever to have been worked by man and is thought to have been mined for more than 5000 years.

      Lump - A solid piece of material with no defined shape.

    9 results

    Product
    Product CU00-LP-000104 99.9% Copper Pellets 4mm max size Purity 99.9% Maximum Lump Size 4mm Product Shape Pellets Weight 1g - 300g
    Product CU00-LP-000101 99.99% Copper Pellets 5mm max size nom dia 3.2 x 3mm L Purity 99.99% Maximum Lump Size 5mm Product Shape Pellets Weight 1g - 1000g
    Product CU00-LP-000102 99.9999% Copper Pellets 5mm max size Purity 100.0% Maximum Lump Size 5mm Product Shape Pellets Weight 1g - 5000g
    Product CU00-LP-000103 99.99% Copper Pellets 5mm max size nom dia 4.75 x 4mm L Purity 99.99% Maximum Lump Size 5mm Product Shape Pellets Weight 1g - 2000g
    Product CU00-LP-000106 99.9999% Copper Shot 6.35mm max size Purity 100.0% Maximum Lump Size 6.35mm Product Shape Shot Weight 1g - 1000g
    Product CU00-LP-000107 99.99% Copper Shot 6.35mm max size Purity 99.99% Maximum Lump Size 6.35mm Product Shape Shot Weight 1g - 5000g
    Product CU00-LP-000108 99.99% Copper Pellets 7mm max size Purity 99.99% Maximum Lump Size 7mm - Weight 1g - 300g
    Product CU00-LP-000100 99.99% Copper Pellets 10mm max size Purity 99.99% Maximum Lump Size 10mm Product Shape Pellets Weight 1g - 2000g
    Product CU00-LP-000110 99.999% Copper Pellets 10mm max size Purity 99.999% Maximum Lump Size 10mm Product Shape Pellets Weight 1g - 2000g
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