Alisa Clausen on wed 2 may 07
Glaze test for R-1000 Matt Glaze, Cone 6, Ox.
Source: Ceramic Arts Buyers Guide, 2007
Credited to: Wayne Bates, to use over his engobes.
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 Barium Carbonate
10 Gerstley Borate--1999
15 Wollastonite
39 Nepheline Syenite
10 Kaolin--EPK
11 Silica
100 Total
Unity Oxide
.209 Na2O
.061 K2O
.021 MgO
.472 CaO
.237 BaO
1.000 Total
.423 Al2O3
.115 B2O3
.003 Fe2O3
2.553 SiO2
.001 TiO2
0 P2O5
6 Ratio
8.3 Exp
Results
Semi gloss, transluscent glaze.
Best regards from Alisa in Denmark
Alisa Clausen on wed 2 may 07
Glaze test for R-1000 Matt Glaze, Cone 6, Ox.
Source: Ceramic Arts Buyers Guide, 2007
Credited to: Wayne Bates
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 Barium Carbonate
10 Gerstley Borate--1999
15 Wollastonite
39 Nepheline Syenite
10 Kaolin--EPK
11 Silica
100 Total
Unity Oxide
.209 Na2O
.061 K2O
.021 MgO
.472 CaO
.237 BaO
1.000 Total
.423 Al2O3
.115 B2O3
.003 Fe2O3
2.553 SiO2
.001 TiO2
0 P2O5
6 Ratio
8.3 Exp
Results
Semi gloss, transluscent glaze
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