PRB white stoneware refractory clay 0–0.2 mm – 12.5 kg

Refractory stoneware ceramic clay with fine grog, in a rectangular block. Ideal for raku, modeling, or potter's wheel. Excellent for large format sculptures. Soft hardness. The clay must be kept well conditioned when not in use. 12.5 kg packaging. Technical data sheet available for download.

– Dry mechanical strength: 45±10 kgf/cm²
– Fired mechanical strength: 750±50 kgf/cm²
– Total shrinkage: 10.0±1.5%
– Water absorption: 4.0±1.0%
– Cubic thermal expansion coefficient (ΔT20–400 °C): (160 ± 5) × 10^-7 °C^-1
– Bisque temperature: —
– Glaze temperature: 1275 °C (±25 °C)