[TheForge] rusting

[Peter Fels & Phoebe Palmer]

Watch out for that selenic acid stuff..pretty poisonous but lots of fun.

Woolley wrote:
> Grant Marcoux wrote:
>> Bill:  You can get a deeper black with Birchwood Casey if you warm the
>> metal.  Blacking using selenic acid based solutions requires through
>> cleaning and degreasing of the surface.  This is especially true during
>> cold-rust bluing of guns
>>
>> Acid based colorants generally require thorough cleaning as well.  Birchwood
>> Casey is this type and will create red rust (ferric oxide) in the presence
>> of moisture.  Thus the need to warm the metal and neutralize the acid when
>> the color is reached.
>>
>> True black can be obtained by using "Rust Stop" , a rust converter that
>> changes red rust to black very effectively.  You can get this from Sculpt
>> Nouveau, Inc.
>>
>>   
> Thanks Grant.  I'm always looking for "easier" when it comes to 
> coloring.  Heating the metal doesn't fall into that category although I 
> usually heat anything I'm trying to rust quickly. When I darken with 
> Birchwood Casey among other brands  I've tried, I've been very pleased 
> with some of the results, like I said before, blues, gray, greens, 
> browns but rarely true black.  The Rust Stop sounds like a viable method 
> even though it may mean an extra step. Bill
> ______________________________________________________________
> TheForge mailing list
> Home: http://mailman.qth.net/mailman/listinfo/theforge
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:TheForge at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>