Alisa Clausen on thu 3 feb 05
Glaze test for Jeannie's Purple, cone 6, ox. Revision of MC6G Raspberry
Glaze tested on white midrange stoneware fired in electric oxidation to =
1240c. (2264f)
Source: Clay Times, Jan/Feb. 05, based on John Hesselberth and Ron Roy's =
Tin/Chrome Raspberry
Credited to: Jeannie
Firing ramp:
100c p/h to 600c (212f - 1112f)
150c p/h to 1140c (302f - 2084f)=20
80c p/h to 1240c (176f - 2264f)
5 min. soak
cool down max. to 800c (1472f)
Hold 1 hour
Shut off kiln
Recipe:
18 Neph. Sye.
14 Frit 3134
20 Whiting
18 Ball Clay OM4
30 Silica
ADD
0,20 Chrome
3,75 Tin.
0,60 Cobalt 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:
Gloss glaze, dark blue purple glaze. =20
Regards from Alisa in Denmark
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