SIO-2 Berlin Grey High Fire Stoneware Clay, 4 lb (Cone 5-10) Natural Modeling Pottery Clay for Sculpting & Hand Building($10.95Value)

Description

HIGH FIRE: With a firing range of Cone 5-10 (1200ºC to 1300ºC), this stoneware clay with 40% impalpable grog is the perfect choice for potters seeking a stable and secure formula. HIGHLY VERSATILE: This neutral gray ceramic clay is valued for its smoothness, plasticity, stability and consistency. Can be thrown on a wheel or used for hand-building & modelling. 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: Berlin Stoneware clay compliments most typical ceramic glazes well. The stoneware clay's neutral colored 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 stoneware clay with 40% impalpable grog 0-0.2 mm (up to 80 Mesh). Formulated for artistic ceramics, it is ideal for throwing and modelling smooth pieces with fine details. The high content of grog confers 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 ceramics. Suitable for tableware (food-safe), according to ISO 6486. Firing range: 1200-1300ºC / Cone 5-10 Biscuit temperature: 1000ºC / Cone 06 Water content: 19% Plasticity (IP Atterberg): 16 Carbonate content (CaCO3): 0% Drying shrinkage: 5.7% Firing shrinkage 1300ºC: 6.4% Porosity (water absorption) at 1300ºC: 0.1% Dry bending strength: 2.9 N/mm2 Fired bending strength 1300ºC: 53.2 N/mm2 Thermal coefficient 1250ºC (25-500ºC): 60.1x10^-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.