Hello,
You mentioned plating has peeled. You'll have to make sure all the loose plating is gone first. The best way to do this is to blast with aluminum oxide. You could also use the new Metalx nickel removers to clean the surface down to the base metal. hence removing all nickel.
If you are just trying to touch up a small area and you're sure that all of the loose plating is gone, then you'll have to start by sanding or buffing away the edge where the nickel peeled. Then, pnp nickel plate followed by a light buff.
Having said that, I recommend tank plating copper over the entire thing after nickel removal, buffing, then nickel. This will ensure an even finish.
IF you choose the touch up approach, don't forget to use the Sulfuric Acid pickle on the nickel to assure adhesion.
Ken
Ken
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