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Mat Slip Decoration
Obtaining satin-mat
surfaces using slips
 oloring
slips is similar to coloring engobes. Use the chart below to get
an idea of what percentages of oxides to use to ge the desired effect.
Stains may also be used, but you would have to experiment with amounts,
or get the information from the manufacturer. Where available carbonates
can be used in place of the oxides listed below. These are a bit
finer than the oxides, but a slightly larger amount (try 10 %) is
generally needed to get a similar color density. Ballmilling, especially
if you are using oxides, will greatly help in reducing speckles
and obtaining a uniform color density.
| Colorant |
Color |
Amount (%) |
Iron
Oxide
Cobalt Oxide
Nickel Oxide
Manganese Dioxide |
Black |
3.0
2.0
2.0
2.0 |
| Cobalt Oxide |
Dark Blue |
1.5 |
| Copper Oxide |
Mid Green |
3.0 |
| Yellow Ochre |
Ochre |
4.5 |
| Iron Oxide |
Mid Tan |
3.0 |
| Rutile |
Creamy Tan |
6.0 |
| Iron Chromate |
Dark Gray |
3.0 |
| Manganese Dioxide |
Purple Brown |
6.0 |
| Fire
in Oxidation for the above color results. |
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