Portland Cement ASTM C150 Type I Specifications: SO3: 2.2 % MgO: 1.77 % LOI: 2.88 % Insoluble residue: 0.39 % Total alkali: 0.56 % Finess test: 0.56 cm2/g Setting time: - Initial set: 109 minutes - Final set: 191 minutes Autoclave expansion: 0.07 % Air content of mortar: 7.96 % False set, final penetration: 89.5 % Compressive strength: - 3 days: 21.41 Mpa - 7 days: 32.00 Mpa - 28 days: 44.28 Mpa
