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Chloride stain mark on chrome surface

January 31, 2017

Q. Hello, we are carrying out chrome plating on plastic material. We have observed dotted stain mark on chrome surface after part storage for one month. After analysis in a lab for the stain mark element it was detected presence of Cl, i.e., Chloride. what are possible causes for the presence of chloride on chrome plated surface?

Dinu Bhokare
Sr.Quality Assurance Manager - Pune,India


May 9, 2017

A. I'd suggest it would have to come from the final rinse waters.
Make final rinse in DI water.


Geoffrey Whitelaw
- Port Melbourne, Australia

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