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Etchant for copper weld surface after mechanical cleaning?

January 23, 2009

I have a problem when repeating Penetrant examination after mechanical removal of the weld surface defects that causes smearing of the copper surface so what type of etching solution can be used to remove the smeared metal above discontinuties?

Regards.

Bahadir Tekin
NDT expert - Izmir, Turkey
^- Privately contact this inquirer -^

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