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Black earthenware clay. Its black 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), being suitable for wheel-throwing, shaping and modelling.
Technical Specifications:
Firing range: 970-1025ºC / Cone 06-05
Water content (throwing): 21%
Plasticity (IP Atterberg): 15
Carbonate content (CaCO3): 8%
Drying shrinkage: 5.4%
Firing shrinkage 1000ºC: 0.9%
Porosity (water absorption) at 1000ºC: 15.8%
Dry bending strength: 5.3 N/mm2
Fired bending strength 1000ºC: 28.9 N/mm2
Thermal coefficient 1000ºC (25-500ºC): 81.7x10^-7ºC^-1
Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
US$40
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