Table 1: Physiochemical properties of raw materials.

Property Alumina TitaniaTalcKaolinite

Chemical composition wt%
 SiO2 60.044.0
 Al2O3 99.952.150.2
 TiO2 99.50.080.4
 MgO 0.00531.1<0.1
 Na2O <0.010.11
 K2O <0.01<0.01
Physical properties
 Average particle size ( )200 nm300 nm21.62  m2.86  m
 Crystalline phase and Anatase TalcKaolinite