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[Source] Black glass enamel


#1

Hi, and a happy New Year to all!

I made a sterling silver ring with black glass enamel in a design on
top, but could only find hard, with a melting temp of 1500 deg F.
After five firings to build up the thickness needed, the metal had
degraded.

Do any of you know a source for low (preferred) or medium melt
opaque glass enamel? I know it exists, but when I go to the supplier
mentioned in a 1989 book, they only list high temp/hard melt
material.

Thanks for your help!
Allan Beck
Idaho, USA


#2

I use either Thompson unleaded or Ninomiya leaded enamels. Most
enamels will have a firing range and I typically fire around 1450
degrees. If you fire lower but longer you can get more control over
the final result but I have fired at 1500 on many occasions. That
said, I’ve never had a problem with silver but I’m not sure what you
mean by ‘degrading’. I only use fine silver which won’t develop
firescale in the kiln. If you’re using sterling-which would have more
strength than fine silver- you should first do depletion gilding in
order to leave a thin layer of fine silver on the surface.


#3

You could google the words torch firing enamels or try using the
soft glass that lampworkers use in the powder form.

Frantz glass, Olympic glass (glasscolor.com), or a local pottery
supply house will have fine frit or powders.

Laurie
http://www.designerbeads.com