Alisa og Claus Clausen on mon 25 jun 01
Glaze test for M. Barringer Glassy Slip, cone 6, ox.
Source: Ceramics Monthly, April, 2001.
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:
5 Gerstely Borate
80 Lithium Carb. HAZARDOUS, USE PRECAUTIONS.
15 Bentonite
All measurements measured up or down to the nearest whole decimal.
Substitutions:None
Resulted in a glassy white slip, white semi mat where thinner, greenish =
brown and glassy where thick.
Best regards,
Alisa in Denmark
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