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ISO 4746:1977

Oxygen-free copper — Scale adhesion test

Aug 1, 1977

General information

90.93     Jul 4, 2025

ISO

ISO/TC 26

International Standard

77.040.99  

French   English  

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Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 4746:1977
90.93 Standard confirmed
Jul 4, 2025

National adoptions

SRPS C.A2.020:1980  
ISS

Oxygen-free copper — Scale adhesion test

95.99   Withdrawal of Standard

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