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glaze test for white glaze, cone 6 ox., cm march 03

updated wed 25 jun 03


Alisa Clausen on tue 24 jun 03

Glaze test for White Glaze, cone 6, ox., CM March 03

Glaze tested on white midrange stoneware fired in electric oxidation to =

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


18.8 Whiting
8.6 Zinc Oxide
51.6 Feldspar
15.4 EPK
5.6 Silica

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: see below for Wollastonite sub. for Whiting.=20

White, covering semi gloss glaze. Waxy to the feel. Covering was =
uniform from thinnest to thickest application.

Recipe with 21.8 Wollastonite subbed for 18.8 Whiting.
no visible difference or feel in glaze.

Regards from Alisa in Denmark