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Corrosion resistance of copper, nickel and tin plating on CRCA

Q. We have terminal of CRCA material and in order to comply the salt spray of 240 hours , plating specified in sequence as Cu plating : 0.8 microns , Nickel plating : 8 microns and Tin plating : 12 micron.

Our plating supplier has doubt whether above plating specification will satisfy the salt spray testing of 240 hours.

Please provide your opinion on the above matter.

Sunil Solanki
Customer - Pune, Maharastra, India
May 21, 2012

A. Yes it should pass, but the spec is really very outdated. Don't you have a Tin whisker problem with 12 microns as the final coat?

Khozem Vahaanwala
Saify Ind

Bengaluru, Karnataka, India

June 7, 2012

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