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Norm

ISO 10309:1994

Issue date: 1994 11 10

Metallic coatings — Porosity tests — Ferroxyl test

Lays down a method of revealing pores or other discontinuities, when testing metallic coatings, that are not visibly affected by ferricyanide and chloride ions during the...
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Valid
Publisher:
International Organization for Standardization
Format:
Digital | 3 Pages
Language:
English
ICS
25.220.40
Topics
Construction products, Surface treatment, Metallic coatings Chemistry, paper & textiles, Surface treatment, Metallic coatings Mechanical engineering foundations & materials, Surface treatment, Metallic coatings

Lays down a method of revealing pores or other discontinuities, when testing metallic coatings, that are not visibly affected by ferricyanide and chloride ions during the test period and that are cathodic to iron and steel. This method is especially useful for thick, hard chromium coatings used for wear resistance.