Sahara Glazes
Cone 5-6. Sahara
Glazes are compounded to match porcelain and stoneware bodies. Matt
and textured glazes suitable for stoneware and transparent gloss
glazes for translucent porcelain are included in this series.
Sahara Glazes work well and produce interesting effects when fired in
reduction as well as in oxidation (reduction firing not recommended
for HF-26).
Sahara High Fire Glazes are ready-to-use. Although these glazes may be
applied on bone dry greenware for single firing, it is easier to apply
them on low fire bisque. HF-26 and HF-32 should be applied thicker
than other glazes in this series. HF-36 should be fired to Cone 4
(2161°F, 1183°C) to obtain texture. For best results: if brushed they
will need three coats. Then clay and glaze may be matured at the same
time, at the recommended firing temperature of Cone 5 (2205°F,
1207°C).
A zinc-free, clear, transparent high fire glaze (HF-9) is also
available. Because the presence of zinc in a glaze formula may change
the appearance of certain colors (green, black, gray, etc.), a
zinc-free clear is very important for application over underglaze
decoration. When used under HF-9 Zinc-Free Clear, colors will fire
true. Any variation in color intensity of the underglazes will then
depend on the individual color stability at Cone 5. Firing range is
from Cone 4 (2161°F, 1183°C) to Cone 6 (2269°F, 1243°C).
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