Alisa og Claus Clausen on sun 24 jun 01
Glaze test M. Barringer Yellow Oxide Glaze, cone 6, ox.
=20
Tested on light, mid-range stoneware, with iron flecks. Fired to 1215c =
(22219) oxidation, at this ramp:
100c to 600c 212f to 1112f
150c to 1100c 300f to 2012f
100c to 1220c 212f to 2228f
soak at 1220c for 30 minutes =20
cool down 100c per hour to 900c (212f/1652f)=20
soak at 900c for one hour
shut off and cool down (aprox. 40 hours)
Recipe:
4.35 Lithium Carb.
18.48 Zinc ox.
28.26 Frit 3110
31.52 kaolin
17.39 Flint
Add
4.35 Tin ox.
0.44 Copper carb.
4.35 RIO
0.54 Ochre
All raw materials, with the exception of colorants, measured up or down =
to the nearest whole decimal.
Substitutions: Frit 623 for 3113.
Resulted in resulted in a smooth semi matt that stayed where applied. =
There is a lot of movement and streaking in the surface. Base color of =
glaze is a dark mustardy yellow with a lot of brown and rust streaking. =
Best regards,
Alisa in Denmark =20
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