Earthenware Slips
These can be used under glazes
or on their own as they mature at
the glaze temperature of 1074c |
| |
|
| Black slip |
|
| Red earthenware clay |
85
|
| Cobalt carbonate |
2
|
| Manganese dioxide |
3
|
| Red iron oxide |
10
|
| Lead bisilicate |
30
|
| |
|
| White slip |
|
| White earthenware clay |
66
|
| Lead bisilicate |
33
|
| Zirconium silicate |
10
|
| Bentonite |
4
|
| |
|
| Blue slip |
|
| White earthenware clay |
66
|
| Lead bisilicate |
33
|
| Zirconium silicate |
10
|
| Bentonite |
4
|
| Cobalt carbonate |
2
|
|
Porcelain Glazes
These glazes are oxidized to 1240c |
| |
|
| Dark pink/mauve |
|
| China clay |
5
|
| Quartz |
6
|
| Zinc oxide |
16
|
| Potash feldspar |
33
|
| Barium carbonate |
39
|
| Green nickel oxide |
1
|
| |
|
| Turquoise |
|
| Barium carbonate |
50
|
| Nepheline syenite |
50
|
| Copper oxide |
3
|
| |
|
| White matt |
|
| Nepheline syenite |
55
|
| Quartz |
8
|
| China clay |
6
|
| Barium carbonate |
25
|
| Lithium carbonate |
2
|
| |
|
| Pale green crackle |
|
| Quartz |
5
|
| China clay |
20
|
| Whiting |
15
|
| Potash feldspar |
10
|
| Soda feldspar |
30
|
| Dolomite |
20
|
| Zirconium silicate |
4
|
| Praesidemium oxide |
4
|
| |
|
Blue/green/yellow/pink
(depends on thickness)
|
|
| Quartz |
6.0
|
| China clay |
5.0
|
| Zinc oxide |
16.0
|
| Potash feldspar |
33.0
|
| Barium carbonate |
39.0
|
| Nickel oxide |
0.5
|
| Titanium dioxide |
3.0
|
|

The test glazes (above) illustrate the range of colours Richard Baxter has been working towards over the past couple of years. They are all fired to 1240c in an electric firing.
Earthenware Glazes
These glazes mature at 1074c |
| |
|
| Shiny Blue |
|
| China clay |
14.00
|
| Borax frit (std) |
20.00
|
| Quartz |
14.00
|
| Zirconium silicate |
11.75
|
| Zinc oxide |
5.87
|
| Whiting |
7.80
|
| Cobalt oxide |
0.18
|
| Lead bisilicate |
25.00
|
| Bentonite |
1.56
|
| |
|
| Honey |
|
| Lead bisilicate |
68
|
| Red earthenware |
26
|
| Whiting |
2
|
| Cornish stone |
2
|
| Red iron oxide |
1
|
| Bentonite |
2
|
| |
|
Turquoise
|
|
China clay
|
6
|
Borax frit (std)
|
30
|
Quartz
|
8
|
Copper oxide
|
3
|
| Nepheline syenite |
40
|
Barium carbonate
|
25
|
| Lithium carbonate |
2
|
|