Alisa Clausen on tue 24 jun 03
Glaze test for Berry Rust, cone 6, ox. Revsion.
Glaze tested on white midrange stoneware fired in electric oxidation to =
1220c.
Source:
Credited to:
Firing ramp:
100c p/h to 600c (212f - 1112f)
150c p/h to 1100c (330f - 2012f)=20
100c p/h to 1220c (212f - 2228f)
5 min. soak
cool down max. to 800c
Hold 1 hour
Shut off kiln
Recipe:
26 Silica
27 EPK
7 Nepheline Syenite
9 Bone Ash
13 Talc
18 Frit 3134
ADD
12 RIO
Note: All raw materials are measured up or down to the nearest whole =
decimal. =20
Colorants or additives to a 100 gram test batch are measured in precent =
to the 100 gram test batch.
Substitutions: None
Results:
Gloss iron red glaze. Well covering and smooth. Darker where thinner =
or breaking, lusher red iron red color where thickest. =20
Regards from Alisa in Denmark
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