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glaze test for 1634 shino, cone 6, redux

updated thu 3 may 07


Alisa Clausen on wed 2 may 07

Glaze test for 1634 Shino, Cone 6, Redux.
Source: Ceramic Arts Buyers Guide, 2007

Credited to: Pat Horsley

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
55 Alumina Hydrate
5 Feldspar--Kona F4
30 Nepheline Syenite
5 Spodumene--Foote
5 Bentonite

100 Total

Unity Oxide
.101 Li2O
.612 Na2O
.189 K2O
.04 MgO
.059 CaO
1.000 Total

4.678 Al2O3
.021 Fe2O3

4.759 SiO2

1 Ratio
7.4 Exp
Dry, engobe like white surface. Shows slightest sheen where absolute
Best regards, Alisa in Denmark