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Magnesia recycled materials

LKAB Minerals offer a portfolio of magnesia based recycled refractory materials, sourced and processed in the UK.

Your contact for 

Vicky Yates

Sales Manager, Refractory Minerals & Olivine
Magnesia material; brick for recycling magnesia material

The process of recycling refractory materials involves sorting to remove contamination before being primary crushed and dried. Material is then processed to individual customer specifications. Chemical analysis is carried out on at each stage of the process to ensure consistency.

Magnesia materials applications

  • Man standing in large refractory kiln

    Magnesia materials in refractory applications

    Our range of magnesia recycled materials are used in a number of applications including as a full or partial replacement to virgin materials in monolithic and shaped refractories. Our recycled materials are a cost efficient alternative to virgin materials.

  • Steel crucible with molten steel and slag forming on top

    Magnesia recycled materials as metallurgical additives

    Our magnesia based recycled refractory materials are suitable as additives for slag conditioning applications. Additionally, the slag conditioning mix can be processed at our own toll manufacturing site.

Magnesia recycled materials standard grades

  • 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, please contact your representative for further information.

Magnesia recycled materials packaging

Our Magnesia recycled materials are available in 25kg paper sacks, 1000kg bulk bags or as bulk as standard.

The typical properties of LKAB Minerals core Magnesia recycled materials are shown below. Additional materials are available upon request.

Chemical properties of different grades


  Magnesia 90 Mag Chrome Mag Carbon AF Mag Carbon OXI
AL2O3 [%] 0.8 5.5 1.8 6.8
SiO2 [%] 92.3 62.2 92.8 75.6
Fe2O3 [%] 2.0 1.7 2.3 1.9
TiO2 [%] 1.1 8.6 1.0 0.8

Magnesia recycled materials origin

LKAB Minerals recycled materials originate predominantly from steel and cement works. Material is recovered, sorted and processed in the UK.

Magnesia recycled materials toxicology

Non-toxic, non-hazardous stable minerals. You can download the Safety Data Sheet in the section on the right hand side for further information.


Interested in what Magnesia materials can do for you?

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My name is Vicky Yates and I'm a Magnesia materials product expert located in United Kingdom.

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