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Need an anti-tarnish coating for electroless deposited copper

I need an anti-tarnish coating for electroless copper plating that can withstand thermal cycling up to 125 deg. C. I need a one gallon or even a pint size sample to test on existing plating that will be deoxidized (10% sulfuric acid) and dipped in the anti-tarnish coating of choice.

Greg Wasielewski
Aerospace - Palo Alto, California, USA
2006

Ed. note: This RFQ is outdated, but technical replies are welcome, and readers are encouraged to post their own RFQs. But no public commercial suggestions please ( huh? why?).

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