Primo Pro Nigra2002 Black Stoneware Clay is manufactured by a reputable European supplier and widely sold throughout Europe. We have the manufacturers absolute assurance that this body (pigmented with manufactured stains) is safe to use and does not contain Manganese Oxide.
Primo Pro Nigra2002 Black Stoneware Clay is a stoneware body. It is suitable for plastic forming methods.
Chamotte proportion: 20 %. chamotte size range: 0 - 0.2 mm ( black chamotte )
Firing Colour: black
Recommended Firing Temperature Range: 1000-1240ºC
Technical Data (typical values)
Moisture: 20.0% plastic
Loss of Ignition: 5.0%
Wet to Dry Shrinkage: 6.8% plastic properties
Specimen Firing Temperature [ºC] 1200
Dry to Fired Shrinkage [%] 7.0
Water Absorption [%] 2.5