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SiO-2 Clay
Sio-2 PA White Earthenware
$25.20 $15.12 $10.08
Item #: SIOPA
Sio-2 PA White Earthenware Clay
Sold in a 27.5lb bag
White earthenware clay body especially formulated for wheel-throwing and modeling. It is a high quality and polyvalent clay, very popular for its fineness and plasticity. Its balanced calcium carbonate content confers higher stability than traditional white earthenware clays. Its coefficients of thermal expansion are ideal for standard pottery glazes, in both single and twice firing processes.
Firing - Ceramic kiln low fire
Weight/Volume - 27.5lbs / 12.5 kg
Grog - Ungrogged
State - Moist form (plastic body)
Stiffness - For wheel throwing and modelling/handbulding
Firing range: Cone 05-03 (1922-1976ºF / 1050-1080ºC)
Water content (throwing): 20%
Plasticity (IP Atterberg): 16
Carbonate content (CaCO3): 17%
Drying shrinkage: 6.8%
Firing shrinkage Cone 05 (1922ºF / 1050ºC): -0.4%
Porosity (water absorption at Cone 05 (1922ºF / 1050ºC)): 12.3%
Dry bending strength: 5.1 N/mm2
Fired bending strength Cone 05 (1922ºF / 1050ºC): 27.8 N/mm2
Thermal coefficient (25-500ºC): 79.1x10^-7ºC^-1
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