Alisa Clausen on wed 27 feb 08
Glaze test for Chafee Woo adapt. transparent ^6 ox.
Source: Clayart
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.
Standard Substitutions in all tests:
Local Boron Frit is used for Frit 3134
Forshammer (a half and half Potash and Soda spar) is the only Feldspar used
Local Boron Frit is used for Gerstley Borate
All substitutions are done not by Mol. Wts., but gram for gram.
Recipe Name: Chafee Woo Adampt Transparent 100 gr.
Cone: 6 Color:
Firing: Surface: Matte
Amount Ingredient
41.5 Nepheline Syenite
11 Kaolin--EPK
47.6 Silica
100.1 Total
Unity Oxide
.705 Na2O
.222 K2O
.015 MgO
.058 CaO
1.000 Total
1.458 Al2O3
.009 Fe2O3
13.892 SiO2
.004 TiO2
.001 P2O5
9.5 Ratio
6 Exp
Comments:
Mat,, white covering glaze. Looks and feels underfired. Has a slight sheen
on surface.
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