SIO-2 - BERLIN STONEWARE CLAY GRAY 0-0.2 MM CHAMOTTE

Grey stoneware clay with 40% impalpable chamotte, 0-0.2 mm.

Designed for artistic ceramics, it is ideal for turning and modeling pieces with fine details and a smooth surface.

The high chamotte content guarantees excellent behavior during the drying and firing phase.

Depending on the firing temperature, it develops a beautiful range of grays, from cement color to dark gray, satisfying the most cutting-edge trends in artistic ceramics.

Suitable for the production of tableware (food-safe), in compliance with ISO 6486 standard. Available in extruded plastic clay.

Technical specifications:

• Firing temperature: 1200-1300ºC
• Biscuit temperature: 1000ºC
• Moisture: 19%
• Plasticity (IP Atterberg): 16
• Lime saturation (CaCO3): 0%
• Shrinkage during drying: 5.7%
• Shrinkage during firing (1300ºC): 6.7%
• Porosity (water absorption at 1300ºC): 0.1%
• Dry mechanical strength: 2.9 N/mm2
• Fired mechanical strength (1300ºC): 42.9 N/mm2
• Coefficient of expansion (25-500ºC): 53.8x10^-7ºC^-1