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glaze test for m. barringer rc slip, cone 6, ox.

updated tue 26 jun 01


Alisa og Claus Clausen on mon 25 jun 01

Glaze test for M. Barringer RC 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)

30 Whiting
20 Kona F-4 Feldspar
40 Cedar Heights Redart
10 Flint

All measurements measured up or down to the nearest whole decimal.
Substitutions: Forshammer Feldspar for Kona F-4

Resulted in a flat, dry slip with a toasty color overall.

Best regards,
Alisa in Denmark