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glaze test for noxema blue, cone 6, ox.

updated thu 3 may 07


Alisa Clausen on wed 2 may 07

Glaze test for Noxema Blue, Cone 6, Ox.

Source : Clayart

Credited to:

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

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.

Amount Ingredient
48.3 Feldspar--Custer
23.2 Wollastonite
11.1 Kaolin--EPK
10.1 Gerstley Borate--1999
4.5 Silica

97.2 Total

2.8 Cobalt Carbonate

Unity Oxide
.097 Na2O
.173 K2O
.03 MgO
.7 CaO
1.000 Total

.441 Al2O3
.124 B2O3
.005 Fe2O3

3.155 SiO2
.001 TiO2
0 P2O5

7.1 Ratio
7.6 Exp
Gloss, transluscent medium to dark blue glaze, uniform in color.

Best regards from Alisa in Denmark