Specification for chromate conversion coatings on electroplated zinc and cadmium coatings
Specification for chromate conversion coatings on electroplated zinc and cadmium coatings
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What is BS 6338 - Chromate conversion coatings on zinc and cadmium about?
Coatings of zinc and cadmium are chromate treated in order to retard the formation of corrosion products on the surfaces of coatings exposed in corrosive atmospheres. Chromate treatment is particularly effective in retarding the formation of white corrosion products which form on zinc and cadmium coatings under certain conditions. BS 6338 is an International Standard that specifies requirements relating to chromate conversion coatings on zinc and cadmium intended to give protection against corrosion. Finishes for giving particular colours only or specifically to improve paint adhesion are not covered by BS 6338 .
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