SIO-2 Zumaia Grey High Fire Sculpture Clay, 27.6 lb (Cone 5-10) Natural Modeling Pottery Clay for Sculpting & Hand Building

SIO-2 Zumaia Grey High Fire Sculpture Clay, 27.6 lb (Cone 5-10) Natural Modeling Pottery Clay for Sculpting & Hand Building

HIGH FIRE: With a firing range of Cone 5-10 (1200ºC to 1300ºC), this sculpture clay is the perfect choice for potters seeking a stable and secure formula. HIGHLY VERSATILE: This beautiful gray ceramic clay is valued for its smoothness, plasticity, stability and consistency. Can be used for hand-building & modelling, or sculpting large objects. PREMIUM QUALITY: All SIO-2 clays have are non-toxic and have been rigorously tested through strict quality standards, making them the ideal choice for both professional and amateurs alike. IDEAL FOR GLAZES: Zumaia Sculpture clay compliments most typical ceramic glazes well. The sculpture clay's neutral gray base accentuates and enhances glazes applied over it. MANUFACTURED SINCE 1874: Made in Spain by Ceramica Collet S.A., with ACMI non-toxic AP-Certification. Grey sculpture clay with 40% fine grog 0-0.5 mm (up to 35 Mesh). Formulated for artistic and decorative ceramics, it is ideal for sculpture and pieces for outdoors (garden pots, tiles, etc.). The high content of grog confers a beautiful textured surface and an excellent behaviour during drying and firing. Depending on the firing temperature, it develops an interesting range of greys, from cement to dark grey, which satisfies the most avant-garde trends in artistic and decorative ceramics. Available in extruded body (moist form). Firing range: 1200-1300ºC / Cone 5-10 Biscuit temperature: 1000ºC / Cone 06 Water content: 17% Plasticity (IP Atterberg): 16 Carbonate content (CaCO3): 0% Drying shrinkage: 5.3% Firing shrinkage 1300ºC: 4.3% Porosity (water absorption) at 1300ºC: 4.5% Dry bending strength: 2.8 N/mm2 Fired bending strength (1300ºC): 37.8 N/mm2 Thermal coefficient 1250ºC (25-500ºC): 61.6x10^-7ºC^-1 Storage: Protect ceramic clay bodies from direct sunlight, avoiding excessive temperature changes and protect from frost. Use: Technical details are available with information on the characteristics of each product and its use. It is recommended to test clay body prior to large scale use in order to verify suitability in both the ceramic process (shaping, drying, firing and decoration) and the final application that is expected to be obtained. Safety: All SIO-2 clay bodies are certified by the Art & Creative Materials Institute (ACMI) and conform to ASTM D-4236 safety guidelines.