WHITE EARTHENWARE CLAY 28 LBS. WHITE EARTHENWARE CLAY 28 LBS. $31.95 Qty Out of Stock Enter your e-mail address to be notified when product is in stock Notify Me! Add Review Ask Question Product Description Reviews (0) Questions White Earthenware Clay 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. Available in extruded body (moist form), being suitable for wheel-throwing, shaping and modeling. Firing range (biscuit): Cone 05-03 (1911º-2019ºF) Water content: 20% Plasticity (IP Atterberg): 16 Carbonate content (CaCO3): 17% Drying shrinkage: 6.8% Firing shrinkage at Cone 04: -0.4% Porosity (water absorption) at Cone 04: 12.3% Dry bending strength: 5.1 N/mm2 Fired bending strength at Cone 04: 27.8 N/mm2 Thermal coefficient (a25-500ºC): 79.1x10-7ºC-1 Please call for school pricing. Good for production work.  Contains fire  clay and fine grog. Shrinkage:  12% at C/6.   Absorption:  2.7% at C/6. Item will usually ship within 1-2 business days.  Currently there are no reviews for this product. Currently there are no questions for this product.