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Product Description
Benefits & Application Details



Chromite is a mineral that is an iron chrome oxide. It has a chemical formula of FeCr2O4.

The main constituent of Portachrome A is chromite. 

Chromite is a crystalline off-colour Metal Oxide, characterised by:

  • High melting point
  • Excellent thermal stability
  • High density 
  • Medium Mohs hardness of 5.5

Basic properties

Property Value Unit
Hardness (Mohs) 5.5 [-]
Density 4.5-4.8 [kg/ dm3]

The combination of high thermal stability and high hardness make the Portachrome grades extremely useful for brake-lining applications.

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