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Overview ISO 3613:2021 - Metallic and other inorganic coatings - specifies standardized test methods for chromate conversion coatings on zinc, cadmium, aluminium‑zinc and zinc‑aluminium alloys. The f…
1 Scope This International Standard specifies methods for the determination of — the presence of colourless chromate conversion coatings, — the presence of hexavalent chromium in colourless and colou…