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Thompson Enamel - Transparent - 2755 Concord Purple - 1 oz.
Thompson Medium Temperature, Medium Expansion enamels are a glass product formulated to create a permanent bond with fine silver, copper, and gold. Bronze is not recommended for enameling.
These high quality, acid-resistant, 80-mesh enamels will provide rich, beautiful color for your metal clay work.
Thompson enamels are all lead-free!
See below for more information...
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The general firing range for Thompson enamels is 1400°–1500°F (760°–815°C). Enamels will fuse in 1 to 4 minutes depending on the color, type and thickness of the metal, and the temperature of the kiln. A typical firing is 1450°F (790°C) for around 2 minutes. Enamel powders will change in color after firing. Refer to the color image for a general indication of the fired result. Computer monitors do not accurately represent color, and enamel colors may vary slightly from batch to batch, so pre-testing your enamels before using them is recommended. Bronze is not recommended for enameling. The enamels are not formulated to adhere to it and will crack or chip off.
Color Specific Information:
Color: 2755 Concord Purple
Metals: Recommended for fine copper, silver and gold.
Recommended Firing Range: Consistent with general firing range
Firing: Consistent with general firing times.
COE: 273 cubic expansion
Grade: 80 Mesh
Color Code: (G) contains Gold
Additional Firing Notes:
Although this is a gold bearing color, it fires very well on silver with no special considerations. The copper sample shows how it looks fired over 1030 White, 2040 Clear and directly on copper. If fired directly or over clear the initial firing on should be 1550°F (845°C) to clear the oxides off the metal. The copper should appear clean and bright under the enamel If it appears reddish or mottled it wasn't fired hot enough and/or long enough. Refire at high temperture. Subsequent firings can be at lower temperatures.
©2013 - The color notes presented here are the intellectual property of Pam East and reproduction in whole or part in any form requires written permission.
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