Alisa Clausen on sun 7 dec 03
Glaze test for Caramel Apple, cone 6 oxidation
Glaze tested on white midrange stoneware fired in electric oxidation to =
1220c.
Source:Clayart
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:
16 Frt 3134
8 Dolomite
16 Spodumene
19 Kentucky Old Mine #44 (Ball Clay)
5 Bone ASh
4 Nytal 100 HR (Talc)
32 Silica
ADD
15 Red Iron Oxide
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:
Frit 623 for 3134
TW Ball Clay for Kentucky Old Mine #44)
Local Talc for Nytal 100 HR
Results:
Covering iron red brown semi gloss glaze. The underlying darker color =
of a brown to black is muted by a variegated shell surface with a =
greenish cast. Where the glaze is thickest, the color becomes a warmer =
toffee brown. Where thinnest, the glaze is more even in color, which is =
a dark tenmoku-like brown, with black edges. This glaze will could give =
a good play of color with two different applications on the same work.
Regards from Alisa in Denmark
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