Published
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.
PUBLISHED
ISO 10309:1994
90.20
Standard under periodical review
Jul 15, 2026
Metallic coatings - Porosity tests - Ferroxyl test (ISO 10309:1994)
90.93 Standard confirmed
Metallic coatings — Porosity tests — Ferroxyl test
90.20 Standard under periodical review
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