Alisa Liskin Clausen on thu 13 jun 02
Glaze test for Straw Yellow, cone 6, ox.
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)
cool down max. per hour to 900c (1652f)
hold for one hour at 900c
shut off kiln
Recipe:
46.7 Potash
4.0 China Clay
2.0 Bentonite
15 Bone ash
4.0 Lithium Carb.
16.9 Talc
11.9 Silica
ADD
2-3% RIO
tested with 3 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: Local Feldspar for Potash.
Results:
Smooth, semi gloss glaze that is well melted. Overall color is a yellow =
brown. Where thickest, glaze becomes lighter with
a green pooling. Nice feel.
Regards from Alisa in Denmark
| |
|
