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Anorthosite

Explore the benefits of Sibelco anorthosite as a greener alternative to kaolin in glass fibre production and in other applications
https://sibelco.bynder.com/asset/ef574920-b34a-4f49-aa4c-1ec113137521/large/182-anthracite-0-5-mm-1-2-mm
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Anorthosite


Anorthosite is an almost monomineralic, feldspathic rock with a variety of industrial applications.

Sibelco anorthosite is used as a replacement for kaolin in the glass fibre manufacturing process. Its inclusion delivers a range of benefits, including: 

  • less energy consumption / lower CO2 emissions
  • potential for higher yields
  • lower in heavy minerals, arsenic and lead
  • higher bulk density than kaolin, meaning lower transport costs 
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