FAIENCE ULTRA NOIRE PFHN CHAMOTTEE 0-1 12.5KG

Ultra black earthenware grog 20% 0-1 mm - PFHNCH

Extra black grogged earthenware paste.

Firing very black from 1025°C.

This clay is suitable for plate work, modeling, throwing and pressing.

Ideal for medium and large workpieces.

Available in a smooth version.

Mono or bi-firing

T° Bisqueware / 960-970°C (1760-1778°F)

T° Firing / 970-1050°C (1025-1922°F)

Technical characteristics /

Drying shrinkage / 5%

Withdrawal at 1025°C / (1877°F) 5.1%

Porosity at 1000°C / (1832°F) 13.1%

Coefficient of expansion 25-300°C / (77-572°F) 68.2 x 10-7