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Old 3rd Dec 2019, 9:42 pm   #11
PJL
Dekatron
 
Join Date: Sep 2005
Location: Seaford, East Sussex, UK.
Posts: 5,997
Default Re: Black oxide coating on brass

Quote:
Originally Posted by Vintage Engr View Post
Local gunsmiths should be able to supply you with either 'gun blue' or 'gun black'.

I've used it for years on steel & brass. Works well for blacking in engraving work as well.

David.
I guess this is not the chemicals to add colour to carbon steel using heat to build up an oxide layer but a lacquer of some sort?
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