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Non-Cyanide Zincate for Aluminum

I am a continuous plater, and I am starting to get requests for continuous tin plating of aluminum strip stock. It looks like I will need to look into the use of a Zincate for the aluminum as a pre treat before tin plating. Most of the advice on the web involves the use of cyanide based zincates. A couple of my vendors do provide non-cyanide zincates, and that looks like what I will use. Has anybody done continuous aluminum electroplating before, and if so, please include a general process that was used. It is very important that I avoid the use of cyanide in this case, as I have yet to use it for any application in my shop, and do not look forward to doing so. Thank You in advance for all suggestions.

Michael Berrier
- Addison, Illinois, USA
2007

Since they want tin on top,it would be a better galvanic couple to just use the proprietary stannate to start the plating.

Robert H Probert
Robert H Probert Technical Services

Garner, North Carolina

2007

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