- New
Sio-2 PRAI Clay White 12.5kg
32,67 € IVA incl.
- Stoneware paste for sculpture and modeling.
- Excellent plasticity.
- Very high level of detail.
- Shampoo: Contains 40% 0-0.2 mm (impalpable).
- Package in 12,5kg.
Slower drying clay than the usual ones, formulated for modeling and elaboration of food-safe tableware (according to ISO 6486), pots, etc...
PRAI white refractory clay with 40% fireclay is a ceramic material widely used in the production of pieces that require high resistance to high temperatures.
Firing temperature*: 1240-1300ºC
Cake temperature: 1000ºC
Humidity: 19%
Plasticity (IP Atterberg): 16
Calcimetry (CaCO3): 0%
Drying shrinkage: 5.9%
Firing shrinkage 1300ºC: 7.0%
Porosity (water absorption) 1300ºC: 0.0% Porosity (water absorption) 1300ºC: 0.0%
Dry mechanical strength: 3.0 N/mm2
Fired mechanical strength 1300ºC: 51.0 N/mm2
Expansion coefficient 1250ºC (25-500ºC): 60.4x10^-7ºC^-1