Alisa Clausen on wed 2 may 07
Glaze test for Deboos 1, Rev. Lili Krakowski, Cone 6. Ox.
Source: Lili Krakowski
Credited to: Jane Deboos
Fired on mid fire white stoneware with iron flecks.
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
35.3 Nepheline Syenite
29.4 Ball Clay--Old Mine #4
29.4 Dolomite
59 Silica
153.1 Total
Unity Oxide
.143 Na2O
.051 K2O
.384 MgO
.422 CaO
1.000 Total
.405 Al2O3
.008 Fe2O3
3.991 SiO2
.011 TiO2
9.9 Ratio
6 Exp
Results
Semi mat, smooth surface, cream white, even color.
Best regards,
Alisa in Denmark
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