Table 1: Physiochemical properties of raw materials.

Property Alumina Titania Talc Kaolinite Chemical composition wt%          SiO2     60.0 44.0  Al2O3 99.95   2.1 50.2  TiO2   99.5 0.08 0.4  MgO 0.005   31.1 <0.1  Na2O     <0.01 0.11  K2O     <0.01 <0.01 Physical properties          Average particle size () 200 nm 300 nm 21.62 m 2.86 m  Crystalline phase and Anatase Talc Kaolinite