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The first thing you need to do
is remove the label from your bottle.
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Next be sure to wash and
dry your bottle completely.
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Use a mold that has been
pre-treated with glass separator. Separator should be reapplied between
firings as needed.
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Bottles with painted labels
are great, but in addition to the glass separator, use a thin sheet of
fiber paper under the part where the label comes in contact with the
molds surface, otherwise the bottle might get stuck to your mold.
To fire without a digital pyrometer in a ceramic
kiln: fire to cone -017
on slow 1.5 hours, medium speed for 1.5 hours, then turn
the kiln to high until the cone falls.
If you have a vent don't use it - unless you need
to use the fiber paper
(it stinks a little when you first start the kiln)
Once the kiln shuts off, turn the exhaust fan off to cool as slow as
possible and don't peek till the kiln reaches room temperature.
A firing in my kiln with the digital pyrometer - takes about 4 hours and
then another 12 or more to cool down.
Let me know how things work out, I would love to
see some pictures of your projects in action!
Good luck!
Sue
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