1. Available Calcium Oxide as % Av CaO - 60-65 - Minimum. 2. Unavailable lime as % CaO - 3.1 - Typical. 3. Silica % Mass - 0.3 - Typical. 4. Iron as Fe2O3 - 0.06 - Typical. 5. Magnesium as % MgO - 0.69 - Typical. 6. Manganese as % MaO -