Portland Cement Type CEM I 52.5N SO3: 2.2 % SiO2: 21.33 % Fe2O3: 2.92 % Al2O3: 6.03 % CaO: 61.65 % Chloride: 0.005 % MgO: 1.78 % LOI: 2.75 % Insoluble residue: 0.37 % Total alkali: 0.56 % Finess test: 3614 cm2/g Setting time: - Initial set: 145 minutes - Final set: 205 minutes Soundness (LeChatelier): 1.0 Mm Compressive strength: - 2 days: 23.1 Mpa - 28 days: 54.2 Mpa
