Silica (the name given to a group of minerals composed of silicon and oxygen) exists in many different forms.  At Sibelco we produce the crystalline forms of silica – quartz and Cristobalite – as both sands and flours.

Silica is hard, chemically inert and has a high melting point, making it a valuable material in a range of applications.  For industrial use, pure deposits of silica capable of yielding products of at least 98% SiO2 are required.


Our silica products are drawn from reserves in:

  • Belgium
  • Czech Republic
  • Denmark
  • France
  • Finland
  • Germany
  • Italy
  • Netherlands
  • Norway
  • Portugal
  • Russia
  • Spain
  • Sweden
  • Ukraine
  • United Kingdom

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