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glaze test for raspberry (mastering cone 6 glazes) as purple, cone 6,

updated wed 30 apr 03

 

Alisa Clausen on tue 29 apr 03

ox.

Glaze test for Raspberry (Mastering Cone 6 Glazes) as Purple, cone 6, =
ox.

Glaze tested on white midrange stoneware fired in electric oxidation to =
1220c.

Source: MC6G and Clayart revision.
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 80c per hour to 800c
shut off kiln

Recipe:

See Mastering Cone 6 Glazes
Hesselberth/Roy


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.

Substitutions:

Frit 623 for 3134

Added
1.0 Cobalt Carb.
0.25 RIO
(instead of Chrome/Tin ox.)

Results:
Gloss blue glaze that has many variations on a smooth. Lush covering =
with streaking and movement. =20
Glaze at bottom edge thickened but did not run. =20


Regards from Alisa in Denmark