PT/CHF Fine Grout with Terracotta Clay

Terracotta (limestone) clay with 25% fine grog (up to 35 Mesh). Ideal for medium-sized pieces. The presence of grog gives the clay a very interesting textured surface (not smooth), which provides a number of favorable properties for designing pieces in complex drying conditions, thus preventing deformations and cracks. Its high resistance to frost and environmental degradation makes it ideal for pieces exposed outdoors (large garden pots, tiles, etc.). Available in extruded form (moist form) suitable for shaping and modeling. Firing range: 990-1085ºC Water content (throw): 19% Plasticity (IP Atterberg): 13 Carbonate content (CaCO3): 14% Drying shrinkage: 5.6% Firing shrinkage (1000ºC): 0.1% Porosity (water absorption at 1000ºC): 15.5% Dry flexural strength: 5.7 N/mm2 Fired flexural strength (1000ºC): 18.9 N/mm2 Thermal coefficient (25-500ºC): 69.4 x 10^-7ºC^-1 SOLD IN 12.5 KG PACKAGES.