SolvejgMa@aol.com on thu 4 jul 96
Hi folks!
My favorite sister-in-law has requested a porcelain bowl with gold luster
around the rim. I know the luster would go on an already glazed piece, at a
much lower cone, but WHAT cone are we talking here? Somewhere along the way
I inherited a bottle of gold luster, but there's no temperature listed
anywhere on the label, just warnings not to inhale. (I might want to run for
office some day, I guess.)
Also, does anyone have a suggestion on how to get the luster to go on the
rim in a clean, precise line? Precision has never been one of my strengths,
so I'll take any hints ya'll might have. Thanks!
Kat in Salem, Oregon - still packing to move to the new house in the
backyard, and wondering how to break it to the old house that it's to be
demolished... sob!
Robert A. Curfman on thu 4 jul 96
You may apply luster to any glaze piece fired to maturity (gloss surfaces
seem to work a little better, although we get some interesting gold mat
lusters on mat or dry surfaces, but the results are hit and miss at first).
Be sure and use a very clean or brand new brush in a well ventilated area,
like a spray booth. You want to make sure you use an underlying glaze that
matures above cone 019 or 018. After applying the Luster, fire to cone 019
with the kiln lid slightly propped in a well ventilated environment (per
instructions).
We have used some other methods of firing lusters, (low fire raku, hot pit
fire, salt fume etc.) but for starters I would stay with the label
instructions and fire in the traditional fashion.
Again, please apply and fire in a well ventilated area and follow labels
instructios.
Rob
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