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glaze test for chappel's floating black, cone 6, ox.

updated thu 3 may 07

 

Alisa Clausen on wed 2 may 07


Glaze test for Chappel's Floating Black, Cone 6, ox.
Recipe Name: Chappel's Floating Black

Source: 2007 Ceramic Arts Buyers Guide

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.





Recipe Name: Chappel's Floating Black

Cone: 6 Color:
Firing: Oxidation Surface: Matte

Amount Ingredient
47.3 Nepheline Syenite
27 Gerstley Borate--1999
20.3 Silica
5.4 Kaolin--EPK

100 Total

Additives
2 Rutile
1.5 Cobalt Carbonate
4 Iron Oxide--Red
3 Manganese Dioxide

Unity Oxide
.418 Na2O
.112 K2O
.006 MgO
.464 CaO
1.000 Total

.702 Al2O3
.476 B2O3
.002 Fe2O3

4.553 SiO2
.001 TiO2
0 P2O5

6.5 Ratio
7.3 Exp

47.3 Nepheline Syenite
27 Gerstley Borate--1999
20.3 Silica
5.4 Kaolin--EPK

100 Total

Additives
2 Rutile
1.5 Cobalt Carbonate
4 Iron Oxide--Red
3 Manganese Dioxide

Unity Oxide
.418 Na2O
.112 K2O
.006 MgO
.464 CaO
1.000 Total

.702 Al2O3
.476 B2O3
.002 Fe2O3

4.553 SiO2
.001 TiO2
0 P2O5

6.5 Ratio
7.3 Exp

Semi gloss, covering glaze, dark brown with slight olive green cast.
Results: Best regards from Alisa in Denmark