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glaze test for helen mckenzie glaze, rev. lili krakowski, cone 6, ox.

updated thu 3 may 07


Alisa Clausen on wed 2 may 07

Source: Lili Krakowski

Credited to:

Fired on mid fire white stoneware

Firing ramp with an electric controller is:
100c p/h to 600c (212f - 1112f)
150c p/h to 1140c (302f - 2084f)
80c p/h to 1220c (176f - 2228f)
15 min. soak
cool down max. to 900c (1652f)
Hold 30 minutes

Shut off kiln

Colorants or additives to a 100 gram batch are measured in percent to the
100 gram batch.
Substitutions in this test: Frit 3134 subbed with local Boron Frit,
Feldspar used is Forshammer, Boron Frit is subbed for Gerstley Borate. All
substitutions are done not by Mol. Wts., but gram for gram.

Amount Ingredient
15 Strontium Carbonate
60 Feldspar--Kona F4
20 Dolomite
2 Bentonite

97 Total

Unity Oxide
.156 Na2O
.071 K2O
.24 MgO
.3 CaO
.234 SrO
1.000 Total

.277 Al2O3
.003 Fe2O3

1.583 SiO2

5.7 Ratio
8.9 Exp
Silk mat, smooth, opaque, even cream white glaze.

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