Zinc plating coming out "whiteish"

Posted by admin on December 30th, 2009 at 08:34pm

Hi, ive only just found this place, and not a moment too soon!

Ive been doing some zinc plating, and to start with it seemed to go well but a little hit and miss at times.

More recently, the zinc plating seems to be coming out a matt whiteish finish.

If its rubbed hard or sanded with say some 1500 then it is nice and shiny so under the surface it seems ok.

On a couple of parts it flaked off and seemed to leave the parent metal in a gold/brassy color.

Any ideas???? Or am i going to fast?

This is post is sent to the Surface Finishing section from a blog about Aluminium, Coating, Plate, Metals, Nickel, Chemical, Anodising, Chrome Plating, Plating or Chromic acid. Post title is Zinc plating coming out "whiteish" and blog title is Plating Powder Coating Buffing Anodizing – Caswell Inc. Metal Finishing Forum. Please click. to view the orijinal source.

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