Nice and stiff glaze during application, I can build up a nice layered application at the rim and expect it to resolve itself decently. When it's crash cooled, this is a glossy glaze with tooth. Milky crystal formations come with thickness.
56 Custer Feldspar
2 Barium Carbonate
8 Dolomite
10 Whiting
6 EPK
4 Zinc Oxide
3 Petalite
11 Flint
________
2 Barium Carbonate
8 Dolomite
10 Whiting
6 EPK
4 Zinc Oxide
3 Petalite
11 Flint
________
6 Zarcopax
This is curtsy of the Val Cushing Handbook.
If you haven't read it.
Find it!
My only hesitation to using this as a liner glaze is due to the Barium Carbonate used in the mix.
"Barium carbonate is widely used in the ceramics industry as an ingredient in glazes. It acts as a flux, a matting and crystallizing agent and combines with certain coloring oxides to produce unique colors not easily attainable by other means. Its use is somewhat controversial since some claim that it can leach from glazes into food and drink. To provide a safe means of use, BaO is often used in fritted form.
In the brick, tile, earthenware and pottery industries barium carbonate is added to clays to precipitate soluble salts (calcium and magnesium sulfates) that cause efflorescence." Wikipedia
This is curtsy of the Val Cushing Handbook.
If you haven't read it.
Find it!
My only hesitation to using this as a liner glaze is due to the Barium Carbonate used in the mix.
"Barium carbonate is widely used in the ceramics industry as an ingredient in glazes. It acts as a flux, a matting and crystallizing agent and combines with certain coloring oxides to produce unique colors not easily attainable by other means. Its use is somewhat controversial since some claim that it can leach from glazes into food and drink. To provide a safe means of use, BaO is often used in fritted form.
In the brick, tile, earthenware and pottery industries barium carbonate is added to clays to precipitate soluble salts (calcium and magnesium sulfates) that cause efflorescence." Wikipedia
4 comments:
Yes, Zyg, it's very nice. And I have that book. Will have to look it up. Might be a good liner glaze, too.
It seems to work very nicely as a liner... but I do have a minor hesitation due to the Barium Carbonate that's used in the mix.
I need to put a note on this.
yes, that's a good point. I'd missed the barium. In that case, I wouldn't use it as a liner. Maybe with a strontium substitution.
hey zyg i got to hold one of your jars at merediths house mmmmmm!!
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