A versatile, high-quality stoneware clay from Potclays, ideal for wheel throwing, hand-building, and slab work. White St Thomas fires to a clean off-white grey and performs beautifully in both oxidation and reduction atmospheres. With a firing range of 1160–1300°C (Cone 4–11), it handles high temperatures with excellent stability — making it perfect for everything from dinnerware platters to sculptural forms. Smooth yet forgiving, this clay suits beginners and experienced potters alike.
Specifications
- Firing range: 1160–1300°C (Cone 4–11)
- Shrinkage: ~11% at 1200°C
- Texture: Medium (5/10)
- Colour: Off-white grey
- Weight: 12.5 kg
- Suitable for: Throwing, coiling, slabbing, tiles