Jon Pettyjohn on tue 12 nov 96
Hi
While visiting potters in Seto, the area where the dark green
transparent glaze called oribe originated, I saw something
interesting. When the potters were unloading oribe glazed
pieces from the kiln they would bring them directly to a tub
containing a weak solution of hydrochloric acid to soak overnight.
The following day they would wash and dry them. It seems
that this practice is very common in Japan.
When I asked why they said that the glaze has an unpleasant
texture after firing and the acid bath makes it feel smooth,
if I understood correctly. Oribe has a high copper content,
maybe 6% or so, has anyone noticed that this type of glaze has
a sort of tacky feel? I wonder if anyone on the list is familiar
with this practice? How would it affect glaze solubility?
Jon Pettyjohn Manila clayjon@ibm.net
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under the volcano Jon Pettyjohn Manila jonpjon@IBM.NET
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