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SIO-2 PRNF BLACK SCULPTURE 0-0.5mm CLAY 12.5kg

136200010

Black sculpture clay with 40% fine grog 0-0.5 mm (up to 35 Mesh). Formulated for artistic ceramics, it is ideal for sculpture. The high content of grog confers a beautiful textured surface and an excellent behaviour during drying and firing. Its beautiful and intense black firing colour in oxidising atmosphere is very exclusive of PRN range and becomes an ideal artistic mean of expression. In reducing atmosphere, metallic effects with shades of blue are obtained. Available in extruded body (moist form).

Firing range: 1200-1260ºC / Cone 5-7
Biscuit temperature: 1000ºC / Cone 06
Water content: 21%
Plasticity (IP Atterberg): 22
Carbonate content (CaCO3): 0%
Drying shrinkage: 7.0%
Firing shrinkage (1260ºC): 4.5%
Porosity (water absorption at 1260ºC): 9.4%
Dry bending strength: 2.0 N/mm2
Fired bending strength (1260ºC): 27.5 N/mm2
Thermal coefficient (25-500ºC): 55.8x10^-7ºC^-1

Recommendations for use with glazes
Use zinc-free (Zn-free) glazes to prevent from unexpected reactions such as bubbling or colour changes. Other elements that can react are zirconium (Zr) and tin (Sn). We recommend consulting your usual glaze supplier to ensure proper suitability with this ceramic clay body.

AED 100.00 (Inclusive of Vat)
Quantity

  • Brand  SIO-2
  • Firing Ceramic kiln high fire
  • Weight/Volume   12,5 kg
  • Grog  Fine grog
  • State   Moist form (plastic body)
  • Stiffness 4 throwing and modelling



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