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Brand: SIO2 Ceramica Collet

164-ROKK - Rokk Grey Grogged Stoneware Rokk Grey Grogged Stoneware has been developed for sculpt...

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2495 Kg in stock

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£2.30
2.30 per unit) (Ex. VAT)

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164-ROKK - Rokk Grey Grogged Stoneware

Rokk Grey Grogged Stoneware has been developed for sculptural applications and for outdoors pieces, the high grog content (40% fine grog 0-0.5mm) providing a beautiful textured surface and excellent handling qualities. Depending on the firing temperature this body takes on a range of grey hues. To retain a 'cool grey', fire at 1200C or below. The grey hue can become 'brownish' above this temperature and certain glazes will emphasise this. Supplied in a 12.5kg bag.

1200-1300C

 

  • Firing range: 1200-1300ºC
  • Biscuit temperature: 1000ºC
  • Water content: 17%
  • Plasticity (IP Atterberg): 16
  • Carbonate content (CaCO3): 0%
  • Drying shrinkage: 5.5%
  • Firing shrinkage (1300ºC): 3.9%
  • Porosity (water absorption at 1300ºC): 2.6%
  • Dry bending strength: 2.5 N/mm2
  • Fired bending strength (1300ºC): 37.8 N/mm2
  • Thermal coefficient (25-500ºC): 59.9x10^-7ºC^-1"
  • Volumetric weight:1.000