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Conversion Coating Process (Chromating?) for Mazak (Zamak)
adv.
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Q. Sir,
Kindly suggest any conversion coating for zinc based alloy (Mazak component). No white rust should be noticed up to 240 hours.
Lucas-TVS, Engineer - Chennai, India
May 24, 2022
⇩ Related postings, oldest first ⇩
Q. We are an automobile ancillary manufacturing fuel management parts made of aluminium alloy (ADC-12) and zinc alloy (Mazak). We chromate our machined parts with hexavalent chromium for surface treatment purposes. However now we have heard from our customers that trivalent chromium is a better option than hexavalent chromium from the environmental aspect. Kindly let us know of the process of trivalent chromating.
Chetan Shettyautomobile ancillary - Pondicherry, India
2004
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