Chrome Alumina

LKAB Minerals Chrome Alumina is produced during the manufacture of aluminothermic chromium metal.

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Glyn Thomas

Glyn Thomas

Sales Manager, Bentonite

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Chrome Alumina is produced by fusing high purity calcined alumina and chromium oxide. The end product has excellent hardness and resistance properties.
Purple material various sizes

Chrome Alumina standard grades

LKAB Minerals Chrome Alumina is available in the following grades as standard:

  • 5-8mm (-8+5mm)
  • 3-5mm (-5+3mm)
  • 1-3mm (-3+1mm)
  • 0-1mm (-1mm)
  • 0-250μm (-60#)
  • 0-150μm (-100#)
  • 0-15μm (-200#)

Other grades are available on request.

Chrome Alumina packaging

Our Chrome Alumina product range is available in 25kg paper sacks, 1000kg bulk bags or as bulk as standard.

The typical chemical composition of Chrome Alumina is shown below:

Chemical properties of Chrome Alumina

Al2O3 [%]
K20 [%]
CaO [%]

Chrome Alumina mineral origin

The mineral Chrome Alumina is formed from the manufacture of chromium metal by the aluminothermic process.

Chrome Alumina toxicology

Our Chrome Alumina is an inert material. You can download the Safety Data Sheet in the section on the right hand side for further information.

Safety Data Sheet

Downloads on request