PRAI white stoneware 0-0.2mm 12.5kg – Art Academy Direct
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PRAI white stoneware 0-0.2mm 12.5kg

PRAI white stoneware 0-0.2mm 12.5kg

Sio-2

Regular price €29.95 Sale

White stoneware clay with 40% impalpable grog 0-0.2 mm (up to 80 Mesh). Formulated for artistic ceramics, it is ideal for throwing and modelling smooth pieces with fine details. The high content of grog confers an excellent behaviour during drying and firing. Its particular ivory colour after firing is much appreciated and provides an excellent ware for glazes and colouring oxides, which develop bright and intense tones. Suitable for tableware (food-safe), according to ISO 6486. Available in extruded body (moist form).

Firing range: 1240-1300ºC / Cone 6-10
Biscuit temperature: 1000ºC / Cone 06
Water content: 19%
Plasticity (IP Atterberg): 16
Carbonate content (CaCO3): 0%
Drying shrinkage: 5.9%
Firing shrinkage 1300ºC: 7.0%
Porosity (water absorption) at 1300ºC: 0.0%
Dry bending strength: 3.0 N/mm2
Fired bending strength 1300ºC: 51.0 N/mm2
Thermal coefficient 1250ºC (25-500ºC): 60.4x10^-7ºC^-1

Firing Ceramic kiln high fire

Weight/Volume 12,5 kg

Grog Impalpable grog

State Moist form (plastic body)

Stiffness 4 throwing and modelling