Potclays Onyx Black Porcelain (5kg) 1230-1260C
+3

Potclays Onyx Black Porcelain (5kg) 1230-1260C

SKU 00121
$37.45
Out of stock
1
Product Details

164-ONYX – Onyx Black Porcelain

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.

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

1230-1260C

  • 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): 54.3×10-7ºC-1″
Save this product for later
  • Track Orders
  • Favorites
  • Shopping Bag
  • Sign In
Display prices in: NZD
Menu
Close
botpots.christchurch
Home
Store
About
Contact Us
Pottery Store Botpots Christchurch
Terms & Conditions Privacy Policy Shipping & Payment Info Return Policy
Cookie settings
Report abuse
Made with Ecwid by Lightspeed