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glaze test for d. hewitt eggshell, cone 6, ox.

updated wed 10 may 06


Alisa Liskin Clausen on tue 9 may 06

Glaze test for D. Hewitt Eggshell, cone 6, ox.

Source: Clayart

Credited to: David Hewitt

Fired on mid fire white stoneware with iron specs.

Firing ramp with an electric controller is:
100c p/h to 600c (212f - 1112f)
150c p/h to 1140c (302f - 2084f)
80c p/h to 1220c (176f - 2228f)
15 min. soak
cool down max. to 900c (1652f)
Hold 1 hour
Shut off kiln


48 Potash subbed Feldshammer Feldspar

16 Kaolin

15 Dolomite

10 Whiting

5.5 Frit P2960 subbed local high Boron Frit

0.25 Zinc

Note: All raw materials are measured up or down to the nearest half
decimal. Colorants or additives to a 100 gram batch are measured in percent
to the 100 gram batch.


Mat Dolomite glaze, soft white color, showing iron specs. in clay body.
Smooth and evenly melted.

Regards from Alisa in Denmark