Most recent
ISO 4520:1981
Chromate conversion coatings on electroplated zinc and cadmium coatings
Specifies requirements relating to coatings intended to give protection against corrosion. Finishes for giving particular colours only or specifically to improve paint adhesion are not covered by this International Standard. Gives furhermore the method of application of chromate conversion coatings and a classification.
International Organization for Standardization [iso]