Cyanide Copper Alternative

Ask an Expert From: Products Finishing, ,

Posted on: 2/1/2005

Question: We want to plate electroless nickel directly onto zincated aluminum.

Question:

We want to plate electroless nickel directly onto zincated aluminum. Can this be done or must we first plate with a cyanide copper strike? D. D.

Answer:

Yes, you can plate directly on zincated aluminum with electroless nickel. To improve adhesion, the parts should undergo a low-temperature bake after the plating is completed.

If you decide, instead, to use a copper strike, you should be aware that a number of vendors have non-cyanide alkaline copper strike baths that work very well.

 

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