CLEAR FOR SILVER 2020 transparent enamel
2 OUNCE JAR
What are the differences of Thompson’s transparent clear enamel (sometimes referred to as “flux”)?
2008 – A low expansion clear used as the base coat for the crackle technique when Liquid Form-Water Base enamels are used for the second coat. 2008 is also good as a cover coat when working on titanium white steel panels.
2009 – This soft fusing clear will clear up on copper on the first firing. It may produce “break up” or “pull through” when a subsequent coat of enamel is fired high.
2010 – This soft fusing clear will clear up on copper on the first firing but requires more time and/or temperature than 2009. It may produce “break up” or “pull through” when a subsequent coat of enamel is fired high.
2015 – This medium fusing clear has a gold color similar to Thompson lead bearing 1005 or 426. It works well under warm colors.
2020 – This clear does not “yellow” on silver. It should always be used when a clear enamel is needed on silver as the first coat. It may also be used on copper and gold. It is also the clear transparent that is suggested to be used as a final cover coat in that is has a lower expansion than most of the other transparent clears.
2030 – This clear is the best all-purpose-use clear. It works well under other enamels, opaques and transparents. Fire sufficiently to dissolve all copper oxide (reddish-brown color). One or two refirings may be required.
2040 – This clear is harder than the above transparent clears. It is least likely to develop “pull through” when applying subsequent applications of enamel. It should be fired sufficiently to dissolve all copper oxide.
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80 mesh medium temperature medium expansion
For copper, gold, and silver
Complete Thompson opaque color chart – http://thompsonenamel.com/images/charts/medtmpmedexp1000.jpg