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topic 10933

Obliterating electroetch markings on nickel plating


 

Dear Person,

We have electroetched nickel plated (~0.0005" tk) naval brass substrate with stencil information (i.e., part number). The electroetch material was electrolyte of nitrate salt, citric, citrate and distilled water. Unfortunately the information is incorrect and needs to be removed or obliterated. What are my options: the etched part is now part of a large assembly. My thinking (and I am not a chemist or metallurgist) is to obliterate the stenciled information by some type of staining or additional electroetch, other?

If elected to obliterate by staining what could I used that would not further erode the nickel plating but severely darken the etched area (~ 1" long by 0.25" wide)?

Thanks,

James Lynch
IST - Horseheads, New York


 

This is a job for brush plating! You should be able to etch deeper, or plate nickel into the etch to smooth it over.

Maybe the vendors can help.

Sifco
Gold Touch [a finishing.com supporting advertiser]

tom pullizzi portrait
Tom Pullizzi
Falls Township, Pennsylvania



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