PRAM CHAMOT WHITE CLAY 12.5kg

White sculpture clay (up to 12 Mesh) suitable for Raku with 40% coarse chamotte. Formulated for artistic ceramics, it is ideal for large sculptures, murals and large Raku pieces. The high chamotte content ensures a beautiful, firm texture and excellent behavior during drying and firing. The special ivory color after firing is highly appreciated and provides an excellent material for glazes and coloring oxides, creating bright and intense tones. Available in extruded body (moist form). Firing range: 1240-1300ºC Biscuit temperature: 1000ºC Water content: 17% Plasticity (IP Atterberg): 16 Carbonate content (CaCO3): 0% Drying shrinkage: 5.3% Firing shrinkage (1300ºC): 4.0% Porosity (water absorption at 1300ºC): 4.8% Dry flexural strength: 2.1 N/mm2 Firing flexural strength (1300ºC): 21.8 N/mm2 Thermal coefficient (25-500ºC): 57.0x10^-7ºC^-1 *Sold in 12.5 kg packages