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Best cyanide or non-cyanide zinc formula for plating inside narrow tube

May 5, 2009

I looking for the best formulation of zinc plating for 5 mm dia. steel tube (length=3 cm).
I must plate both inner and outer of the tube for 7 to 10 micron. Anybody has experience?

Thanks.

Ali showkati
electroplater - Tehran, Iran

You need an internal anode to get that kind of thickness inside the tube.

Dave Wichern
Consultant - The Bronx, New York
May 12, 2009

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