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Wollastonite

Explore the benefits of Sibelco wollastonite in ceramics, coatings, construction, metallurgy, polymers, adhesives & sealants.

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about

Wollastonite


Wollastonite (CaSiO3) is a naturally occurring and highly versatile mineral, comprising a combination of calcium, silicon and oxygen.  

Sibelco wollastonite is characterised by: 

  • shape (available in acicular and non-acicular form) 
  • medium Mohs hardness of 5 
  • alkaline nature 
  • high brightness and whiteness 
  • low moisture and oil absorption 

Our range is available in two grades: 

  • Acicular: sold as CASIFLUX F and CASIFLUX FG 
  • Granular: sold as CASIFLUX G 

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