Sio-2 UPSALA Blue Porcelain Sold in 11 lb bags Upsala is a unique blue porcelain noted for its beautiful cobalt blue. 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 11 lb (5 kg) cylindrical format with double packaging. Firing - Ceramic kiln high fire Weight/Volume - 11 lbs - 5 kg Grog - No grog State - Moist form (plastic body) Stiffness - For wheel throwing and handbuilding Firing range: Cone 6-7 (2192º-2264ºF / 1200-1240ºC) BBisque firing temperature: Cone 06 (1832ºF / 1000ºC) Water content: 21% Plasticity (IP Atterberg): 11 Carbonate content (CaCO3): 0% Drying shrinkage: 5.2% Firing shrinkage (1220ºC): 10.4% Porosity (water absorption at 1220ºC): 0.0% Dry bending strength: 3.3 N/mm2 Fired bending strength (1220ºC): 47.2 N/mm2 Thermal coefficient (25-500ºC): 58.3x10^-7ºC^-1
