SIO-2® Black Ice Black Porcelain, 11 lb
Price of clay also includes bisque firing, glazes, and glaze firing of your work. No clay may be brought into the School from an outside source.
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Description
Black Ice is a black porcelain noted for its beautiful black graphite color. It has high plasticity, which makes it ideal for wheel-throwing and modeling.
Firing range: Cone 6-7 (2269ºF-2295ºF)
Biscuit temperature: 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 (25-500ºC): 54.3x10^-7ºC^-1
SIO-2® Black Ice Black Porcelain, 11 lb
$35.00