Gris High Fire Grogged 0-0.5mm
Recommended 1240-1300C
High fire “Gris” body with 40% fine grog 0-0.5mm. Ideal for sculpture, murals and raku pieces. The name “Gris” (Spanish for “grey”) is related to the raw colour of the clay. The high grog content of this unique clay body provides a beautiful textured surface and it behaves excellently during drying and firing. Its fired colour, with different tones of light toasted brown, highlights the relief of the piece. Supplied in a 12.5kg bag.
Firing range: 1240-1300ºC
Biscuit temperature: 1000ºC
Water content: 21%
Plasticity (IP Atterberg): 19
Carbonate content (CaCO3): 0%
Drying shrinkage: 6.2%
Firing shrinkage (1300ºC): 4.6%
Porosity (water absorption at 1300ºC): 7.4%
Dry bending strength: 3.7 N/mm2
Fired bending strength (1300ºC): 25.4 N/mm2
Thermal coefficient (25-500ºC): 54.6×10^-7ºC^-1
