Marte is a red sculpture clay with a spectacular range of tones depending on your firing temperature. It is ideal for sculpture and decorative murals thanks to its high grog content. It's highly plastic and easy to model, making it suitable for beginners and professionals alike. Firing temperature: 1100-1260ºC / Cone 03-7 Bisque temperature: 1000ºC / Cone 06 Moisture: 19% Plasticity (Atterberg IP): 18 Calcimetry (CaCO3): 0% Drying shrinkage: 6.6% Firing shrinkage at 1260ºC: 3.8% Porosity (water absorption) at 1260ºC: 8.6% Dry bending strength: 2.1 N/mm2 Fired bending strength at 1260ºC: 31.0 N/mm2 Thermal coefficient at 1240ºC (25-500ºC): 60.8x10-7ºC-1 27.5lb unit.
