10-06 · Copper red base
Oxblood
Deep red, almost purple in pools. Fire in the bottom half of kiln C. Top shelves often come out clear.
- Firing
- Cone 10, 1285 °C
- Atmosphere
- Reduction, Gas kiln C
- Finish
- Glossy
- Colour
- Red and pink
- Food use
- Food-safe, used inside our own pots
- Movement
- Runs 4–6 mm
- Tile body
- Porcelain
- Application
- Specific gravity 1.48, dip 4 s
Recipe
Dry weight. Base adds to 100, colourants on top.
| Material | % | Grams | Share |
|---|---|---|---|
| Custer feldspar | 42 | 420.0 | |
| Silica (325 mesh) | 27 | 270.0 | |
| Whiting | 14 | 140.0 | |
| Gerstley borate | 9 | 90.0 | |
| EPK kaolin | 4 | 40.0 | |
| Talc | 4 | 40.0 | |
| Tin oxide | 1 | 10.0 | |
| Copper carbonate | 0.5 | 5.0 | |
| Total | 101.5 | 1015.0 |
On the tile
- Thin
- Clear to white on rims and ridges.
- Thick
- Deep red, almost purple in pools.
- Movement
- Runs 4–6 mm.
- Note
- Fire in the bottom half of kiln C. Top shelves often come out clear.
- In the shop
- Bud vase