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Selective Tin Plating

Hi everybody,

One of my older school colleagues came up to me with the following question:
Selective distribution of tin on a common steel base (tube form), approx. area which has to be plated is 50-70mm, there's (yet) ;-) no other requirements. They have a huge plating line, but no tin process integrated.
Anybody ideas how to realize (hot tin, chemical tin, electro chemical tin)?

Thanks in advance,

Dominik Michalek
- Mexico City, Mexico
2006

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Hello Dominik. You are correct that any of the three may be applicable. Partial immersion is in wide practice in both hot dipping and electroplating; selective masking may also be reasonable, and brush plating may be a good option. But the early decisions are the most important ones, and your friend really should hire an experienced consultant before making a commitment down the wrong track.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2006