This is a well known slip with wide firing range (∆04-12). Fires white, it can be used with oxides and stains to create coloured slips.
I normally make this up to 110% hydration, i.e. for 500g raw materials, add 550g water.
| Material | Ratio |
| Ball Clay | 75 % |
| Grolleg | 10 % |
| Potash Feldspar | 5 % |
| Flint | 10 % |
| Bentonite | 2 % |