SIO-2 - Black Porcelain - BLACK ICE - 1200-1240°C - 5Kg
Black Ice is a black porcelain noted for its beautiful black graphite. It has high plasticity, which makes it ideal for wheel-throwing and modelling. Its formula is very stable and provides a secure firing range between 1200 and 1240ºC (oxidizing atmosphere). Suitable for tableware (food-safe), according to ISO 6486:1999. Available in extruded body (moist form). Presented in a practical 5 kg cylindrical format with double packaging.
- Firing range: 1200-1240ºC.
- Biscuit temperature: 1000ºC.
- Water content: 20%.
- Plasticity (IP Atterberg): 11.
- Carbonate content (CaCO3): 0%.
- Drying shrinkage: 5.4%.
- Firing shrinkage (1220ºC): 10.3%.
- Porosity (water absorption at 1220ºC): 0.0%.
- Dry bending strength: 3.1 N/mm2.
- Fired bending strength (1220ºC): 39.8 N/mm2.
- Thermal coefficient (25-500ºC): 54.3x10^-7ºC^-1.
