CHEMICAL COMPOSITION OF OUR RAMMING MASS Silica SiO2 98 to 99% Alumina Al2O3 0.04% Ferric Oxide Fe2O3 0.04% Titanium Dioxide TiO2 0.08% Manganese Oxide MnO Nil Calcium Oxide CaO Nil Magnesium Oxide MgO 0.11% Sodium Oxide Na2O 0.05% Potassium Oxide K2O Nil Loss in ignition - 0.08% Sintering Temp. - 1200oC Max. Service Temp. - 1700oC Grain Sizes - 0 to 5 mm Steel containers 20 feet
