High fire “Gris” body with 40% fine grog 0-0.5 mm. Formulated for artistic ceramics, it is ideal for sculpture, murals and Raku pieces. Known as “Gris” because of its raw colour (Spanish word that means “grey”). The high content of grog confers a beautiful textured surface and an excellent behaviour during drying and firing. Its amazing firing colour, with different tones of light toasted brown, highlights the relief of the piece, and becomes an ideal artistic mean of expression. Available in extruded body (moist form).

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): 54.6x10^-7ºC^-1

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