ISO 4746:1977
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Oxygen-free copper -- Scale adhesion test

This standard has been reviewed* and then confirmed in 2013.

*ISO standards are reviewed every five years.


Provides a means of assessing the usability in electronic devices, for applications involving glass-to-metal seals, or other uses relying on the formation and presence of an adherent film of copper oxide. The procedure includes preparation and heating in air of a test piece, followed by rapid cooling in water and visual examination for loss of the oxide film or blistering.


  • Edition: 1 (Monolingual) ICS: 77.040.99
    Status: Published Stage: 90.93 (2013-09-09)
    TC/SC: ISO/TC 26 Number of Pages: 1
  • No revision information available

  • No corrigenda or amendments available

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