Mary Van Peursem on sun 15 nov 98
Anyone have any zinc crystalline glaze formulas (2400F, oxidation) they
would be willing to share?
Also doing Terra Cotta for the first time and have been firing to cone
06. Need a couple glaze formulas just for liners. Can't find much on
Terra Cotta. Any advice?
Thank you,
MVP
Dave Eickholt on tue 17 nov 98
Here are several cone 11 or 12 recipes from "CRYSTALLINE GLAZES" BY DIANE
CREBER, I WOULD TRY THE MIX OF THESE IN A KILN LOAD FOR HOT SPOTS USE12
[2419F]. FOR REGULAR TRY 11 [2399F].
Louise Reding cone 12
Bayer J-239-P 54.55
Zinc oxide 27.27 suggested colorant
Flint 18.18 Cobalt 2.30%
or cone 12
Bayer J-239-P 53.57
Zinc oxide 28.57 suggested colorant
Flint 17.86 Manganese dioxide 6%
Bevan Norkin cone11
Frit 3110 46.69
Zinc oxide 32.68
Flint 13.54
Lithium carb. .09
Bentonite [white] 1.40
Red iron oxide 2.80
Green nickle oxide 2.80
or cone 11
Frit 3110 40.78
Zinc oxide 28.55
Flint 23.65
Black copper oxide 5.71
Lithium carb. .08
Bentonite [white] 1.23
I'm sure you can add your own choise of colorants for differnt effects. You
can order this paperback book on line from http://www.amazon.com. I think it
is worth it just for the pictures alone. Hope this helps Dave
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