ISO 3613:2021
ISO 3613:2021 Metallic and other inorganic coatings – Chromate conversion coatings on zinc, cadmium, aluminium-zinc alloys and zinc-aluminium alloys – Test methods
CDN $131.00
Description
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.
These methods are applicable to
-    colourless and coloured chromate conversion coatings containing trivalent and hexavalent chromium in varying proportions and produced by either chemical or electrochemical processes, and
-    chromate coatings that are free from any supplementary coatings, such as oil, water or solvent-based polymers or wax.
Edition
4
Published Date
2021-05-10
Status
PUBLISHED
Pages
11
Language
English
Format
Secure PDF
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Abstract
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.
These methods are applicable to
-    colourless and coloured chromate conversion coatings containing trivalent and hexavalent chromium in varying proportions and produced by either chemical or electrochemical processes, and
-    chromate coatings that are free from any supplementary coatings, such as oil, water or solvent-based polymers or wax.
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