Alisa Clausen on fri 28 may 04
Glaze test for Crystalline Aqua Icing, cone 6, oxidation.
Source: Clay Times, Sep/Oct. 2003
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:
41.48 Silica
23.61 Neph. Syenite
12.39 Whiting
11.26 Lithium Carb.
6.46 Gerstely Borate
2.82 Magnesium Carb.
1.98 Barium Carb.
ADD
3.05 Tin Oxide
3.55 Rutile
2.50 Copper Carb.
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 percent =
to the 100 gram test batch.
Results:
A semi mat glaze that is has a smooth surface. Where thickest, it is =
slightly streaky and aqua, where thinnest, it is an olive green.
Green Version
ADD
3.8 Copper Carb.
0.25 Cobalt Carb.
A glossier glaze than above. Overall an olive green color with some =
lighter areas where thickest.
Regards from Alisa in Denmark
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