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Electroless Nickel Class 4

October 28, 2011

An aluminum base gets coated with e'less nickel, then a thin gold strike, and finally a silver coating. How can the class 4 requirement be achieved for the e'less nickel? Is it still considered Class 4 E'less Ni even if the heat treatment is performed having the gold and silver layers over the nickel layer? Thank you very much, I really appreciate your support.

Glenn Foster
Process Engineer - San Diego, California, USA

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