- Smooth cone 6 red stoneware
- Throwing and hand-building clay
- Oxidation only and no higher than cone 6
- At cone 6 (oxidation): 10% shrinkage, <2% absorption
- Vacuum pugged wet clay
Plainsman Clays’ M-390 Red Stoneware is a smooth cone 6 red stoneware that is particularly well-suited for throwing. Due to its high iron content, we recommend firing M390 Red Stoneware in oxidation and no higher than cone 6. When fired in oxidation to cone 6 it has a shrinkage of 10% and absorption of <2%.