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Zirconium Silicate - Zircon

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Available sizes
SizePrice ex VATPrice inc VAT
100g £7.49 £8.99
500g £10.82 £12.99
1Kg £15.82 £18.99
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Zirconium Silicate

Technical grade


  • Other names: Zircon; zirconium orthosilicate;
  • Formula: ZrSiO4
  • CAS No: 14940-68-2
  • EINECS No: 239-019-6
  • Purity: 98%
  • Appearance: white powder
  • Mol weight: 183.31
  • Density: 4.6 g/mL at 20 C
  • Solubility: insoluble in water
  • Melting Point: 1700 C

Used in the production of ceramics, enamels and ceramic glazes.

A fine grade of zircon used as an opacifier for white and coloured glazes, imparting high opacity, craze resistance and stability.

4-7% produces a semi opaque glaze.

8-10% produces full opacity.


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PLEASE NOTE: This product is not for human or animal consumption.