PRNI – Black Stoneware Clay with Impalpable Grog

$18.89

Firing range: Cone 5-6 (2205º-2269ºF)
Biscuit: Cone 06 (1855ºF)
Water content: 21%
Plasticity (IP Atterberg): 22
Carbonate content (CaCO3): 0%
Drying shrinkage: 7.0%
Firing shrinkage at Cone 6: 7.1%
Porosity (water absorption) at Cone 6: 1.3%
Dry bending strength: 4.6 N/mm2
Fired bending strength at Cone 6: 33.3 N/mm2
Thermal coefficient (a25-500ºC): 51.1×10-7ºC-1

Category:

Description

Conveniently comes filmed-wrapped in a 27.6 lb. (12.5 kg) package

Black stoneware clay body with 40% impalpable grog (up to 80 Mesh). Formulated for artistic ceramics, it is ideal for wheel-throwing and modeling smooth pieces with fine details. The high content of grog confers an excellent behavior during drying and firing.

In reducing atmosphere, metallic effects with shades of blue are obtained. Suitable for tableware (food-safe), according to ISO 6486:1999.

Available in extruded body (moist form).

ACMI