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Silica

QuartzKaolinFeldspar

Silica is inert and resistant to weathering, which makes it a durable material. The chemical purity of silica-based products is of fundamental importance for industrial use, as only in this way can precise processing and a variety of specific applications in different sectors be ensured.
Silica belongs to the mineral class of oxides and has a trigonal crystal system. The mineral group of oxides includes also cristobalite and fused silica, all of which share the same chemical composition, namely SiO2. However, they differ in terms of their production, various technical parameters, and the fields of application in which they are used.

Technical properties:

  • hardness: 7 (Mohs)
  • density: 2.65 g/cm³
  • high chemical resistance
  • low thermal expansion coefficient 14*10-6/K (at T 20 – 300°C)
  • good electrical insulation properties (low tan delta)

We would be pleased to advise you on all possible applications and answer your questions about our high-quality silica products:

MILLISIL®  |  SIKRON®  |  SILBOND®  |  SILMIKRON®

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