Lee Love on tue 29 jun 04
I put up photos of my washed ash and ball clay glazes on leatherhard clay:
http://public.fotki.com/togeika/science/aut_0072.html
http://public.fotki.com/togeika/science/aut_0073.html
In the first photo are two guinomi without soda ash. Notice that the
glaze flakes off of the clay.
After reading David H's article on glazing leatherhard ware, I thought
his addition of 2% soda ash might help.
In the second photo, the non-soda ash glaze is flaking on the left,
while on the right, with 2% soda ash added, the glaze fits well and has
a harder surface.
I'll test fire in the next firing.
--
Lee in Mashiko, Japan http://mashiko.org
http://journals.fotki.com/togeika/Mashiko/ Commentary On Pottery
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