Grogged White Earthenware Clay 0-0.5mm 12.5kg (PA/CHF)

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About this product

White earthenware clay with 20% fine grog 0-0.5 mm (up to 35 Mesh). Ideal for medium size pieces. The presence of grog confers to clay a very interesting textured surface (not flat) which, in turn, provides a set of suitable properties for the design of pieces in complex drying situations, thus avoiding the creation of deformations and cracks. Available in extruded body (moist form), being suitable for shaping and modelling. Firing range (biscuit): 1050-1080ºC / Cone 05-03 Water content (throwing): 17% Plasticity (IP Atterberg): 13 Carbonate content (CaCO3): 13% Drying shrinkage: 5.3% Firing shrinkage (1050ºC): -0.3% Porosity (water absorption at 1050ºC): 11.2% Dry bending strength: 3.7 N/mm2 Fired bending strength (1050ºC): 26.8 N/mm2 Thermal coefficient (25-500ºC): 76.0x10^-7ºC^-1

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