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glaze test for teal blue, cone 6, ox.

updated mon 11 feb 02


Alisa og Claus Clausen on sun 10 feb 02

Glaze test for: Teal Blue, cone 6, ox.

Credited to: Jane Deboos

All tests fired on white, iron flecked, mid-range stoneware.
Fired to cone 6 (1220c) in oxidation.

Firing ramp:
100c (212f) per hour to 600c (1112f)
150c (302f) per hour to 1100c (2012f)
100c per hour to 1220c (2228f)
15 - 30 minute soak depending on matts and glosses used.
cool down 100c per hour to 900c.
Natural cool down to 150c (approximately 15 hours)

35 Nepheline Syenite
30 Silica
18 Whiting
12 Frit 3134
5 Ball Clay, OM4

8 Tin Oxide
4 Copper Carbonate
All raw materials measured up or down to nearest whole decimal.
Oxides used on percent basis to a 100 gram batch of glaze.

Ball Clay not OM4.

Resulted in:
A well covering gray toned teal blue gloss.

Regards from Alisa in Denmark