We have calcined kaolin :calcination of crushed raw kaolin is done in a modern rotary kilnwith high efficiency . The fired kaoline grains have high density and volume stability .The chemical constitution and properities of the calcined kaolin grains are illustrated in the following table.
Physical properties
2.55 - 2.65grain density (g/cm3)
2.50 - 3.50water absorption %
7.0 - 8.0 apparent porosity %
> 1730refractoriness( c)
As requiredgrain size (mm)
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