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Use the scotch-brite pad and rob the patina in in circular motions, blending the solution onto the copper panel. It will be easier to work with the pieces flat on a table. Liver of sulphur has a short reaction time and once it has reacted, the effects tend to die off quickly.
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www.finishing.com/230/34.shtml
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I would like to know what chemicals I could use to put a green patina on new copper. ... After polishing the copper you need to lacquer or clearcoat it or it will quickly tarnish.
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www.finishing.com/57/20.shtml
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20. Red - semi-matt (For Copper & Copper Plate); 21. Dull Pink (For Copper & Copper Plate); 22. Red - Purple Satin (For Cast Bronze); 23. Orange Brown (For Cast ... A cold process, opaque patina. ... The color darkens quickly and the article is removed after about 1 minute. Wash thoroughly in hot water and air dry, wax finish.
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www.sciencecompany.com/patinas/patinaformulas.htm
www.sciencecompany.com/patinas/patinaformulas.htm
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Subject: How to get green patina on copper ; I want to use some sheet copper decorations on some of my pottery, but wa= nt that nice green patina that I see around. Can anyone give me some advice on how to make a solution....or where to b= uy a small quantity?
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www.potters.org/subject40933.htm
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I did a copper sculpture for a fish base and want to patina the copper to get the green look,verdegris I think its called.I tried muriatic acid and it did nothing (20%) Do I need hydrochloric or sulfuric? ... The cleaning process leaves a very pure metal surface which quickly corrodes when exposed to the water, oxygen,
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www.taxidermy.net/forums/IndustryArticles/05/a/058E1C61...
www.taxidermy.net/forums/IndustryArticles/05/a/058E1C611C.html
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We supply patinas: chemical solutions that antique, age and oxidize metals to beautiful colors (e.g. copper roofs to a natural green finish). Multiple colors available.
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Many copper alloys react quickly to their environment and form a film of surface oxidation. However, this tarnish (sometimes called patina on copper) affects only the appearance and not the matrix of the metal itself.
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www.guardianmetal.com/copper.html
www.guardianmetal.com/copper.html
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How to Age Copper Quickly Without Chemicals. When copper ages it develops a coloring referred to as patina. This coloring can take anywhere from months to years to develop fully. There are ways to create this beautiful coloring but most... ... Try this method to develop and age your copper quickly the 'green' way...
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www.ehow.com/how_4668708_age-copper-quickly-chemicals.h...
www.ehow.com/how_4668708_age-copper-quickly-chemicals.html
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To speed up the weathering of copper and achieve that antique green or gray-green patina, certain chemicals can be used. Several conversion treatments are in use to produce the desired finishes. The Copper Development Association explains the process and provides sources for the chemicals in this article.
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metals.about.com/b/2005/10/13/how-to-patina-copper.htm
metals.about.com/b/2005/10/13/how-to-patina-copper.htm
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