Copper Cu : 99.97% Min.
Silica Si : 0.3ppm Max.
Cobalt Co : 0.2ppm Max.
Bismuth Bi : 0.1ppm Max.
Lead Pb : 0.2ppm Max.
Tellurium Te : 0.05ppm Max.
Iron Fe : 2ppm Max.
Silver Ag : 10ppm Max.
Aluminium Al : 0.5ppm Max.
Selenium Se : 0.3ppm Max.
Manganese Mn : O.1lppm Max.
Sulphur S : 4ppm Max.
Nickel Ni : 0.2ppm Max.
Magnesium MG : 0.4ppm Max.
Antimony Sb : O.1ppm Max.
Oxygen 02 : 0
Arsenic AS : 0.1ppm Max.
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