Alisa Clausen on sun 2 nov 03
Glaze stest for Hal's Turquoise Gloss, cone 6, oxidation.
Glaze tested on white midrange stoneware fired in electric oxidation to =
1220c.
Source: Clayart
Credited to:
Firing ramp:
100c p/h to 600c (212f - 1112f)
150c p/h to 1100c (330f - 2012f)=20
100c p/h to 1220c (212f - 2228f)
5 min. soak
cool down max. to 800c
Hold 1 hour
Shut off kiln
Recipe:
34.9 Feldspar=20
25 Frit
25 Silica
5 Whiting
3 Copper Carb.
(adds up to 92,99)
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 precent =
to the 100 gram test batch.
Substitutions:
Used Forshammer Feldspar
Used Frit 623
Results:
Glossy, turquoise green glaze. Test needed to be thicker, but very =
green where thickest. =20
Regards from Alisa in Denmark
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