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Reasons of oxidation of cable
Copper is belonged to transition metal,automic number is 29,density s 8.92g/cm3,melting point is 1083.4.It is with very good thermal conductivity and electrical conductivity.So it can be used as conductor widely.But the surface of copper produce chemical reaction with oxygen and produce CU2(OH)2CO3,we called it as verdigris.
It is blace colour in surface of copper oxide in cable factory normally,this is the Surface oxidation of copper conductors which is troubled a lot of cable enterprises and users .
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