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How to form patina on brass?
I have a brass casting that I've used in a piece and need to make it look
old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? TIA Norm |
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How to form patina on brass?
"Norm Dresner" wrote in message ... I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? TIA Norm Bury it in wet earth for a day or two AWEM |
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How to form patina on brass?
"Norm Dresner" wrote in message ... I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? TIA Norm I did some repair work on an casting that was part of an antique easel for an art dealer. I matched the patina with an airbrush with layers of woodworking stains finished with a clear coat. The dealer said that the job was perfect. |
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How to form patina on brass?
Norm Dresner wrote:
I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? TIA Norm I use a chemical sold as "Liver of Sulphur" by some jewelry supply and crafts shops. http://tinyurl.com/2xtgzw Works great for me. HTH, -- Jeffry Wisnia (W1BSV + Brass Rat '57 EE) The speed of light is 1.8*10^12 furlongs per fortnight. |
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How to form patina on brass?
When Norm Dresner put fingers to keys it was 10/2/07 12:12 PM...
I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? Pack it in sawdust in a waterproof container. **** on it for a couple of weeks. Really. - Carl |
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How to form patina on brass?
"Norm Dresner" wrote in message ... I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? TIA Norm Check in Machinery's Handbook-----where it details how to color brass and bronze. Harold |
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How to form patina on brass?
"Norm Dresner" wrote in message ... I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? TIA Norm [Try sealing it up in a plastic bag with some open containers of household ammonia.] Andrew Werby www.unitedartworks.com |
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How to form patina on brass?
On Oct 2, 11:12 am, "Norm Dresner" wrote:
I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? TIA After cleaning a brass black powder revolver, take a wet dirty patch (such as one that just cleaned the bore) and wipe the brass and let it set. The black powder residue really makes a gun look very old in a short time. |
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How to form patina on brass?
Norm Dresner wrote:
I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? TIA Norm **** on it. -- Abrasha http://www.abrasha.com |
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How to form patina on brass?
On Tue, 02 Oct 2007 19:15:20 -0700, in rec.crafts.jewelry Carl
wrote: When Norm Dresner put fingers to keys it was 10/2/07 12:12 PM... I have a brass casting that I've used in a piece and need to make it look old and weathered. Are there any household chemicals that will do that or do I need to purchase a specialty chemical? Pack it in sawdust in a waterproof container. **** on it for a couple of weeks. Really. - Carl And Abrasha also replied,, **** on it. -- Abrasha http://www.abrasha.com For the squeemish, if you've got a cat, you've got a ready made agent. Save some of the dampened/used cat litter from the cat's litter pan (just the litter. You don't need the cat crap), and bury the item in that. Cat **** is rather more concentrated than human, so works very well. And the granular litter will give somewhat spotty grainy contact with the metal, giving an interesting texture to the patina. Seal up the container you're doing this in so it doesn't dry out. For the even more squeemish, or those without a cat, use sand or cat litter sawdust or whatever, and pour in a little household ammonia. Also mix in some table salt. Stir well and bury the item in this mess. Stir it a bit every now and then till you like the finish. Both these methods often give you some nice blue/green corrosion products. If all you wish is dark grey/black, then sulphur compounds like liver of sulphur work well. Or try egg yolks, which also have sulphur. Takes longer. Liver of Sulphur can do the job in minutes. Peter Rowe |
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