SIO-2® LUNA Speckled Stoneware Clay with Impalpable Grog, 27.6 lb
Price of clay also includes bisque firing, glazes, and glaze firing of your work. No clay may be brought into the School from an outside source.
Frequently Bought Together
Speckled stoneware clay with impalpable grog 0-0.2 mm. Designed for artistic ceramics, it contains melting minerals that develop a seductive surface with dark spots of different sizes and shades that stand out in an ivory-white matrix.
Its high grog content provides excellent behaviour during drying and firing. Decoration with transparent glazes is ideal to enhance the vividness of the speckled effect. Available in extruded body (moist form).
Firing range: Cone 5-7 (2192º-2300ºF)
Biscuit: Cone 06 (1832ºF)
Water content: 19%
Plasticity (IP Atterberg): 16
Carbonate content (CaCO3): 0%
Drying shrinkage: 5.8%
Firing shrinkage at Cone 7: 5.3%
Porosity (water absorption) at Cone 7: 0.0%
Dry bending strength: 2.7 N/mm2
Fired bending strength at Cone 7: 29.2 N/mm2
Thermal coefficient (a25-500ºC): 61.1x10-7ºC-1