Stoneware clay GF75 – 10.5 kg

Grogged stoneware refractory ceramic clay. A clay designed for ceramists looking for greater reliability against thermal shock. Suitable for utilitarian or decorative earthenware. Soft-hard clay. The clay should be kept well-conditioned when not in use. 10.5 kg package. Technical data sheet available for download.

– Dry mechanical strength: 75±10 Kgf/cm²
– Fired mechanical strength: 725±50 Kgf/cm²
– Total shrinkage: 10.0±1.0%
– Water absorption: 2.5±0.5%
– Cubic thermal expansion coefficient (ΔT20–400 ºC): (195 ± 5) × 10⁻⁷ ºC⁻¹
– Bisque firing temperature: 1000 ºC (±10 ºC)
– Glaze firing temperature: 1160 ºC (±10 ºC)