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Standard for chromating zinc die cast components

Is there any standard for chromate conversion coatings (suitable for subsequent painting) for zinc die cast components. Please inform us the same. We have identified standards for chromate conversion coatings for aluminium and we are in search of the same for the zinc die cast components.

KANNAN .C
- COIMBATORE, Tamil Nadu, India

If you do not find any other specific standards, I would presume that the ASTM standards for conversion coating on zinc plate would be applicable.

Gene Packman
process supplier - Great Neck, New York

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