Rokk Grey Grogged Stoneware 164-ROKK
COSHH Sheet
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Firing Range: 1200°C-1300°C
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.
For more information on this clay, please follow this link: Technical Data
- Texture - 7
- Fired Colour - Grey
- % Total Shrinkage at 1100°C - N/A
- % Total Shrinkage at 1200°C - N/A
Extra Info
- 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"
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