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Preventing
Kiln Wash
Sticking to Glass
If you've ever had to deal with kiln wash
sticking to glass, you know what a pain it can be. And if
you've spent even ten minutes trying to scrape or soak baked
kiln wash off the underside of a piece of glass, then you've
probably given some thought to preventing the problem in the
first place.
Here's a list of tips to help keep your
glass clean and your kiln wash on the shelf, where it belongs:
1. Make sure your kiln washed shelf
is completely dry before firing. If the kiln wash is still
damp, it has a greater tendency to stick.
2. Wherever possible, avoid placing
opaque glass against the shelf. Opals are much more likely
to stick to kiln wash than transparents, and white is the worst
of all. If your design allows it, put a layer of clear on
the bottom.
3. Give your kiln wash some help by
sifting another barrier beneath the piece. Sprinkle loose
kiln wash powder, dry plaster, mica, or whiting directly on the
kiln shelf. Then place your piece on top of the sifted material
and fire as normal. The extra layer will help keep kiln
wash from sticking.
Click here for part two of preventing kiln wash sticking to
glass.
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Copyright 2005 Brad Walker. All rights
reserved.
Most of these tips came from
posters on the Warm Glass bulletin board.
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