Sibelco Black 1000-1240 - (Cone 06-7) 10kg porcelain Many potters wrongly believe the

Many potters wrongly believe the problem with copper in leaded glazes to mean that copper is toxic in all glazes

Firing range: 1200-1260C / Cone 5-7

Gorgeous photos throughout the book show pots in various stages of production and finished results

1180-1230C)

1220–1280°C / Orton Cone 5–8

Sibelco Black 1000-1240 - (Cone 06-7) 10kg porcelain Many potters wrongly believe theSibelco Black Stoneware Body 1000 1240c Sibelco Black Stoneware Recommended firing range 1000 1240C (Cone 06 7) Indicative texture 1 2 (Smooth 1 Coarse 10) Sibelco Black Stoneware (Nigra 2005) is a deep black stoneware body that is ideal for modelling. Contains 20% 0 0. 5mm black grog The clay vitrifies from 1200C upwards. Supplied in a 10kg pack. Sibelco technical data Drying shrinkage 5. 5% Fired shrinkage at 1200c 7. 6% Water absorption at 1200c 3%