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Tin plating - how to retain finish during stamping process

Q. Our terminal strip is tin plated. After plating, the terminal strip is undergoing a stamping process (forming and cutting). During this process, the tin plating finish has gone down. Please suggest how to retain the finish after the stamping.

K.BABU
- Bangalore, INDIA
2003

"Tin and Tin-alloy Plating"
by J.W. Price
tin_and_alloy_plating1983
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A. I'm an old hat at tin plating - since about 35 years. Your problem is easily solvable. Kindly furnish the following :

1] Are you carrying out tin plating on the terminal strips yourself? If yes, please let me have full details of the plating process being adopted by you, viz. Is it a bright acid or an alkaline plating bath?
2] What is the base metal of the terminal strips?
3] Details of the pretreatment steps being done presently.

Regards,

Bihari Chhabria
- Bombay, Maharashtra, India
2003

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