Potclays
Potclays Onyx Black Porcelain Available In Store CLY
Potclays Onyx Black Porcelain Available In Store CLY
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164-ONYX - Onyx Black Porcelain
- Recommended firing range 1200-1240C / Cone 5-6
- Indicative texture 1 (Smooth 1-Coarse 10).
- 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.
- Supplied in a 5kg pack.
- Compatible with Aneto Porcelain 164-ANET.
- Onyx Black Porcelain is suitable for tableware (food-safe), according to ISO 6486.
- The manufacturer recommends zinc-free clear glaze such as Mayco SW004 for Onyx Black Porcelain.
SIO2 Technical Data:
- Biscuit: Cone 06 (1020ºc)
- 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 (at 25-500ºC): 54.3x10-7ºC-1"
