Surface treatment on Aluminium - Yellow chromate
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Zinc chromate, ZnCrO4, is a chemical compound containing the chromate anion, appearing as an odorless yellow powder or yellow-green crystals, but, when used for coatings, pigments are often added. It is used industrially in chromate conversion coatings, having been developed by the Ford Motor Company in the 1920s.
Chromate Conversion Coatings
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Chromate Conversion Coatings, Silver Plating, tin plating
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