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Lesson Plans

Re: Glass Chalk

[ Thread ][ Subject ][ Author ][ Date ]
betti longinotti (p-lstudio)
Sun, 12 Jan 1997 17:19:26 -0500

Your process of using ceramic underglazes for glass painting sounds
intriguing. I would be interested in seeing your results. I have been
using vitreous paints, which is a traditional process & use of
materials of glass painting for stained glass. Vitreous paints are
ground pigments that are mixed with a medium and then fired in a kiln.
They are toxic, and are not meant to be used on any food bearing
surfaces. When using them, I always exercise good working practices of
ventilation , cleaning hands, and the working surfaces. If working with
students, I only allow one painting station, one person at a time, so I
can control the amount of pigment that is out and maintain and supervise
good clean up.
Generally vitreous paints are broken into two categories: glass stainer
colors and transparent colors (known as enamels). The glass stainer
colors are permanent. The enamels are less permanent. In my
installations, which have access to daylight, I only use the glass
stainer colors, not the enamels, due to the consideration of permanency.
There is a wonderful text, "The Art of Painting on Glass", by Albinus
Elskus, published by Charles Scribners and Sons. I had the great
pleasure of taking a workshop with Elskus about 17 years ago. Vitreous
paints and appropriate mixing agents can probably be purchased at any
stained glass studio that paints on glass. The traditional methods are
somewhat a lost art, and not all SG studios work with vitreous paints.
My preference are vitreous paints by the manufacturer, L.Reusche,
altough there are others on the market.

Yours in Art & Life,
Betti L.