Burnt dolomite

Dolomite is added to extend the refractory lining life of the furnaces.

Burnt dolomite

Burnt dolomite

Chemical Formula CaO.MgO
Alternative names/ description Dolomitic quicklime, Calcium Magnesium oxide
Product Code   Pack code   Product Description   Packing   Unit
68000  500  Dolomite Lump  Bulk  Ton



Typical Chemical analysis
Typical Chemical analysis Typical %
Silica as SiO2 2.5
Aluminium as Al2O3 0.5
Iron as Fe2O3 2.0
Manganese as Mn2O3 1.5
Total calcium as CaO 57.4
Total magnesium as MgO  35.0
Sulphur as SO3 <0.05
Phosphorous as P2O5 <0.01
Carbon Dioxide (CO2) 1.5
Physical Properties
   Aerated   De-Aerated 
Bulk density (kg/m3)   450  600

Air separated to produce the following typical size analysis:

Size:   Screen Aperture (um)  % Retained (Typical)
   850  0.0
   600  0.0
   215  1.0
   150  5.0
   75  15.0
   -75  79.5


Colour: Buff due to the presence of Manganese as Mn2O3

Angle of repose: Very fluid in the aerated state (0 - 5)

Typical Applications

Fluxing agent; protects magnesia based refractories in basic pyro-metallurgical processes: slag modifier.

Quality Assurance

PPC Lime, Lime Acres has ISO 9001 certification for Quality Management System


Supplied in bulk in rail or road trucks from Lime Acres, Northern Cape.


Store in enclosed, dry conditions under cover.


Burned dolomite will react with water, including atmospheric moisture.

The reaction generates heat and produces a strongly alkaline, hydrated product.

Always exercise care, and refer to the MSDS which is available on request

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