Onyx Black Porcelain 164-ONYX

Item: 164-ONYX

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Onyx Black Porcelain 164-ONYX
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Description

Firing Range: 1200°C-1240°C

Onyx Black Porcelain takes on a beautiful black/graphite colour when fired as recommended to the upper part of its firing range. It is highly plastic making it ideal for wheel-throwing and modelling alike. Suitable for tableware. 

Onyx Black Porcelain is suitable for tableware (food-safe), according to ISO 6486.

For more information on this clay, please follow this link: Technical Data

  • Texture: 1

  • Fired Colour: Black

  • % Total Shrinkage at 1100°C: N/A

  • % Total Shrinkage at 1200°C: 10.3

When fired as recommended, it takes on a beautiful black/graphite colour. It is highly plastic making it ideal for wheel-throwing and hand-building. Suitable for tableware.

Extra Info


  • Firing range: Cone 6-7 (2269º-2295ºF)

  • Biscuit: Cone 06 (1855ºF)

  • Water content: 20%

  • Plasticity (IP Atterberg): 11

  • Carbonate content (CaCO3): 0%

  • Drying shrinkage: 5.4%

  • Firing shrinkage at Cone 6: 10.3%

  • Porosity (water absorption) at Cone 6: 0.0%

  • Dry bending strength: 3.1 N/mm2

  • Fired bending strength at Cone 6: 39.8 N/mm2

  • Thermal coefficient (a25-500ºC): 54.3x10-7ºC-1"






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Customer Reviews

By DeborahMarock on 20th July 2023
"Wonderful to throw with! Beautiful deep onyx black colour once vitrified."
Star Rating 5
By DeborahMarock on 20th July 2023
"Wonderful to throw with! Beautiful deep onyx black colour once vitrified."
Star Rating 5
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