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glaze flows

updated wed 31 jul 96

 

Alan Wainright on wed 17 jul 96

Pelly:

Let me see first if I understand what you saw at the show: a pot
with a base glaze around the lower section, then a band of
another color glaze higher on the pot, with the band of color
"dripping" down into/over the base glaze. Is this description
correct?

There are probably several ways you could achieve this effect,
though each one will look slightly different. One is to apply the
band of higher color a little more heavily, so it will move more
in the firing. That's risky, though: you'd have to experiment to
see just how far each color will run from how thick an
application.

Another way to do it might be to alter your glaze formula for the
higher band of color so that it flows more, without increasing
the application thickness.

A third way would be to work with underglaze colors, dripping and
layering them to achieve the effect, then holding it in place
with a clear glaze.

I know that in lowfire earthenware ceramics, there are "crystal"
glazes which use small chunks of colored glass (or glasslike
substances) that melt & flow down the sides in firing, giving
some interesting color effects.

I hope this helps! Good luck --

Alan
georgies@worldnet.att.net