Black Porcelain Black Ice is black porcelain body noted for its beautiful black graphite fired color. It has high plasticity, which makes it ideal for wheel-throwing and modeling. Its formula is very stable and provides a secure firing range between Cone 6 and Cone 7 (oxidizing atmosphere). Suitable for tableware (food-safe), according to ISO 6486. Available in extruded body (moist form). Supplied in a practical 5 kg cylindrical format with double packaging. Firing range: Cone 6-7 (2269º-2295ºF) Biscuit: Cone 06 (1855ºF) Water content: 20% Plasticity (IP Atterberg): 11 Carbonate content (CaCO3): 0% Drying shrinkage: 5.4% Firing shrinkage at Cone 6: 10.3% Porosity (water absorption) at Cone 6: 0.0% Dry bending strength: 3.1 N/mm2 Fired bending strength at Cone 6: 39.8 N/mm2 Thermal coefficient (a25-500ºC): 54.3x10-7ºC-1

Sold in 11lb boxes