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glaze test for john post's white, cone 6. ox.

updated wed 10 may 06


Alisa Liskin Clausen on tue 9 may 06

Glaze test for John Post's White, Cone 6, ox.

Source: Clayart

Credited to: John Post

Fired on mid fire white stoneware.

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


16 Kaolin EPK

21 Frit 3134 subbed local high boron frit

19 Neph. Syenite

20 Wollastonite

24 Flint


15 Zircopax

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.


Gloss, stark white glaze, even and covering.

Regards from Alisa in Denmark