Copper is characterized as a fairly soft metal - (hardness 2.5-3.0. It is an excellent conductor of heat and electricity, and is very malleable and ductile. It has a characteristic red colour when fresh (copper-red), but tarnishes to a greenish colour (have a look at an old 1 or 2 cent coin).

"Copper" is in the NAICS Code "212234"
  (Copper Ore and Nickel Ore MiningNickel ore mine site development for own account)


"Copper" is in the CPC Code "41411"
  Copper mattes; cement copper

"Copper" is in the HS Code "2603"
  Copper Ores And Concentrates

"Copper" is in the UNSPSC Code "11101604"
  Copper ore

Ref: 123870/2006-09-27


Other Database Pages Exist for this Phrase:
Copperchrome-arsenate ( copperchrome-arsenate (CCA) refers to a ...)
CCA (copperchrome-arsenate)
Brass (Brass pertains to an alloy of copper and zinc. ...)
Cu (Cu is the Chinese word for "vinegar".)


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