Specification:

  High purity Cu: 99.999% Cu-5N-I-35

  Testing impurity: Ag, Bi, Co, Fe, Zn, Mg, Ni, Pb, Sb, Sn, Mn

Total impurity content: ≤10ppm

  High purity Cu: 99.9999% Cu-6N-I-36

  Testing impurity: Bi, Co, Fe, Zn, Mg, Ni, Pb, Sb, Sn, Mn

Total impurity content: ≤1ppm

Application: Copper is primarily used in the manufacture of electronic devices and elements, large scale electron tubes in telecommunication industry alloys in high grade, copper oxide rectifying elements, super-miniature transformer windings and as calibration speciments in metal analyses.