Alisa og Claus Clausen on mon 21 may 01
Glaze test for Lime matt orange-brown, 1250c (2282f) oxidation.
Source: Hamer and Hamer, page 181.
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:
46 Cornish Stone
14 China Clay
5,0 Tin Oxide
28 Whiting
Add
7.0 RIO
All measurements measured up or down to the nearest whole decimal.
Substitutions: None
Resulted in mat brown glaze, with greenish black where thickest in =
lowest areas textured patterns. Sayed where applied and has a good =
feel.. Despite lower firing temperature than suggested, glaze is well =
melted and has a very flat, smooth surface.
Best regards,
Alisa in Denmark
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