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"What is the reason pure tin plate discolored after aging"





March 25, 2010

We have similar issues with discoloration (Yellow and gold stains) on parts that Tin is plated on nickel surface after aging (155°C 16 hours).

Michael Melamud
engineer plating process - Israel
^


March 29, 2010

Hi,
Tell us which tin plating solution you have -- is it alkali or acid? The maintenance is difference between these. Do you use brightener in it?

Regards

Anders Sundman
Anders Sundman
4th Generation Surface Engineering
Consultant - Arvika,
Sweden

^


March 30, 2010

Try rinsing better and use less brightener.

James Watts
- Navarre, Florida
^

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