DD 78:1981
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for higher purity copper cathode
Hardcopy
01-01-1981
English
10-30-1981
Requirements for a higher purity grade of cathode copper, Cu-CATH-1, intended to meet the more critical product and process requirements of the electrical industry. The material has a minimum conductivity of 101% ACS.
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