Sio-2 PCLI Stoneware Paper Clay Sold in 27.5lb bags Stoneware paper clay body with 30% impalpable grog (up to 80 Mesh). Formulated for artistic ceramics, it is unique for modelling, thanks to its exceptional plasticity. It is especially suitable for making impossible shapes with difficult drying. The presence of paper fibres inside avoid formation of cracks and problems of deformations, and leads PCL clay to surprising artistic possibilities. Odorless. Available in extruded body (moist form). Firing - Ceramic kiln high fire Weight/Volume - 27.5 lbs - 12.5 kg Grog - Impalpable grog State - Moist form (plastic body) Stiffness - For wheel throwing and handbuilding Firing range: Cone 02-8 (2012º-2300ºF / 1100-1260ºC) Bisque firing temperature: Cone 05 (1922ºF / 1050ºC) Water content: 24% Plasticity (IP Atterberg): 27 Carbonate content (CaCO3): 0% Drying shrinkage: 7.2% Firing shrinkage at Cone 5: 6.0% Porosity (water absorption) at Cone 5: 4.2% Dry bending strength: 5.2 N/mm2 Fired bending strength at Cone 5: 39.5 N/mm2 Thermal coefficient (a25-500ºC): 53.7x10-7ºC-1
