A white clay containing a large amount of pre-fired mullite grog cutting down the wet to dry shrinkage and adding building strength.
A robust body specially suited to large sculptural work accommodating all hand forming applications, can be thrown with care. Good thermal qualities, can withstand multiple firing techniques.
| FIRING TEMP | CONE | SHRINKAGE | ABSORPTION |
| 1000 | 06 | 5.5% | 17.4% |
| 1100 | 03 | 6.5% | 15.4% |
| 1222 | 6 | ||
| 1300 | 10 | 10.2% | 5.9% |
| 1300 | 10R | 12% | 3% |