Blue earthenware clay. Its blue colour in oxidising atmosphere is a highlight in the range of low firing colours. Its fineness and plasticity make it an excellent choice for wheel- throwing and modelling. Very good behaviour with standard pottery glazes. Available in extruded body (moist form).
Firing range: 1050-1080ºC / Cone 05-03
Water content (throwing): 19%
Plasticity (IP Atterberg): 15
Carbonate content (CaCO3): 16%
Drying shrinkage: 5.6%
Firing shrinkage (1050ºC): -0.3%
Porosity (water absorption at 1050ºC): 12.1%
Dry bending strength: 4.1 N/mm2
Fired bending strength (1050ºC): 31.7 N/mm2
Thermal coefficient (25-500ºC): 76.6x10^-7ºC^-1
