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Showing posts with label ion specific resin. Show all posts
Showing posts with label ion specific resin. Show all posts

Monday, September 8, 2014

Zinc contamination in nickel tank

Q: How can I reduce nickel plating defects over zinc die-cast substrate? 

A: In the case of zinc die-cast the substrate is directly responsible for introducing zinc contamination to the nickel tank. Zinc is a toxin to nickel plating baths and will significantly reduce performance and bath life. It is important to address this issue early in the process which is typically:

- surface prep
- copper plate
- nickel plate
- post treatment

The best corrective action is