Silica (SiO2): 44.70 % Alumina (Al2O3): 38.20 % Iron (Fe2O3): 00.84 % Titanium (TiO2): 0.14 % Calcium Oxide (CaO): 0.012 % Magnesium Oxide (MgO): 00.14 % Sodium Oxide (Na2O): 00.23 % Potassium Oxide (K2O): 00.70 % Loss on Ignition (LOI) 1050°C : 13.07 % Moisture 105 °C : 00.68 % Whiteness: (After dry 1050 °C): Whiteness % 84.84 Brightness: % 78.03