Chrome Alumina | Refractory Mineral Solutions

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

Excellent hardness and resistance properties

Inert material

Produced by fusing high purity calcined alumina and chromium oxide

Product information

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

LKAB Minerals Chrome Alumina is produced during the manufacture of aluminothermic chromium metal. Applications include the manufacture of furnace and ladle refractories, abrasive grinding wheels, and as a decorative road surface aggregate.

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.

Packaging

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

Mineral information

Chemical properties of Chrome Alumina

Below, you can see the percentage composition of Aluminium Oxide (Al₂O₃), Chromium Oxide (Cr₂O₃), Potassium Oxide (K₂O) and Calcium Oxide (CaO).

Chemical analysis	Percentage (%)
Al₂O₃	83.06
Cr₂O₃	13.54
K₂O	2.08
CaO	0.94

Mineral origin

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

Toxicology

This is an inert material. You can download the Safety Data Sheet in the data centre.

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Real world use of this product

Application

Decorative flooring

Use DekorFlake to provide natural sparkle and glitter in a variety of flooring types such as vinyl flooring, tile flooring, concrete flooring or epoxy flooring.

Application

Refractory Services

LKAB Minerals offers layering and toll manufacturing services, develop tailored products and testing services related to the refractory minerals.

Industry use

Our customers use industrial minerals to improve constructions, increase safety and reduce costs.

Refractory mineral Chrome Alumina