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Black oxide coating on brass
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30th Nov 2019, 10:14 am
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ajgriff
Nonode
Join Date: May 2004
Location: Halifax, West Yorkshire, UK.
Posts: 2,583
Re: Black oxide coating
Brine, chlorine bleach fumes and vinegar all discolour solid brass to varying degrees. Might be worth experimenting with with one or two small unloved pieces in the first instance.
Alan
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