ÖNORM EN ISO 3613:2021 09 01
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Metallic and other inorganic coatings - Chromate conversion coatings on zinc, cadmium, aluminiumzinc alloys and zinc-aluminium alloys - Test methods (ISO 3613:2021)
Hardcopy
German - English
09-01-2021
This document specifies methods for the determination of — the presence of colourless chromate conversion coatings, — the presence of hexavalent chromium in colourless and coloured coatings on zinc or cadmium or aluminium-zinc (mass fraction of aluminium: 55 %, within a range of 54 % to 56 % mass fraction) and zinc-aluminium (mass fraction of aluminium: 5 %) alloys, — the total chromium content per unit area on zinc and cadmium, — the mass per unit area of both colourless and coloured coatings, — the satisfactory adhesion of chromate conversion coatings, and — the quality of chromate coatings.
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