#325 Mesh Compound Result % Loss of Ignition (LOI) 0.038 Silica (SiO2) 99.84 IRON (Fe2O3) 0.0089 Aliminia (Al2O3) 0.474 Potash (K2O) 0.201 Soda (Na2O) 0.204 Calcium Oxide (CaO) 0.0089 Magnesium Oxide (MgO) 0.0024 Titanium Oxide (TiO2) 0.0014 Powder Whiteness 98.1 Powder Brightness 96.5 L- Value 97.8 A- Value 0.02 B-Value 0.32 Sp. Gravity (gm/cm3) 2.62 Melting Point 14000 C not melted Vitrification point 13100 C Electric Conductivity 7.82 mS #200 Mesh SiO2 99.69% CaO 0.02% MgO 0.01% Fe2O3 0.04% Al2O3 0.08% LOI 0.10% Na2O 0.02% K2O 0.02% Brightness 96.70% Whiteness 98.10%