Element Percentag's % SIO2 99.3 - 99.85 % Fe2O3 0.012 - 0.015 % AL2O3 0.1 0.2 % CaO 0.02 -0.05 % MgO 0.002-0.005 % TIO2 Traces Cr2O3 Traces Na2O3 Traces K2O Traces LOI 0.1 0.2 % Fe2O3 (120 150 ppm ) MAX. Element Note Normal Size 0.01 to 0.85 mm Density 1.44 gm/cm3 Mositure 0.5 - 2.0 % Grain Size Distributions A P mm 0.8 mm 0.850 mm 0.00 - 0.5 % 0.850 - 0.600 1.0 - 4.0 % 0.600- 0.425 10 - 20 % 0.425 - 0.212 40 - 60 % 0.212 - 0.150 20 - 30 % 0.150 10 - 20 %
