White Patches

What is a good remedy for white patches in an alkaline non-cyanide zinc plating bath?


Related Topics:

Q. What is a good remedy for white patches in an alkaline non-cyanide zinc plating bath? W.L.

A. Many of the alkaline non-cyanide zinc plating baths are proprietary in nature. You should obtain specific troubleshooting information from your chemical ven-dor. There are, however, a number of general solutions to the problem you should consider. Possible causes of this problem are: low brightener concentra-tion, high metal content, hard water contamination, and, in some cases, iron contamination. 

Related Content

SIFCO ASC Plating Process Recognized by American Bureau of Shipping

SIFCO Applied Surface Concepts (ASC) received an American Bureau of Shipping (ABS) Product Design Assessment (PDA) for its SIFCO Process of selective plating.