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PRGI-4002 Grog Buff Stoneware clay - NZ available
PRGI-4002 Grog Buff Stoneware 12.5kg Bag

PRGI-4002 Grog Buff Stoneware 12.5kg Bag

$39.00

High fire “Gris” body with 40% impalpable grog 0-0.2 mm. Formulated for artistic ceramics, it is ideal for wheel-throwing and modelling smooth pieces with fine details. Known as “Gris” because of its raw colour (Spanish word that means “grey”). The high content of grog confers 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: 6.9%
Firing shrinkage (1300ºC): 7.1%
Porosity (water absorption at 1300ºC): 3.7%
Dry bending strength: 4.5 N/mm2
Fired bending strength (1300ºC): 37.7 N/mm2
Thermal coefficient (25-500ºC): 50.7x10^-7ºC^-1

 

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Clay Bodies  Attaching  Large Sculpting  Slabwork Throwing 
PRGI-4002 Grog Buff Stoneware Yes  Yes Yes  Yes 

 

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