Ordinary Portland cement

Ordinary Portland cement  is the most common type of  cement  that used in general across the world. concrete ,  mortar ,  stucco , and non-specialty  grout are the main ingredients in this cement. Main chemical constituents of ordinary Portland cement Lime (CaO) 60-65 % Silica (SiO2) 17-25% Alumina (Al2O3) 3-8% Iron oxide (Fe2O3) 0.5-6% Magnesia (MgO) 0.1-4% Sulphur trioxide (SO3) 1-3% Alkaline 0-1% Usages of Ordinary portland cement ·          OPC cement is used for general construction purposes where special properties are not required. ·          It is used in reinforced concrete buildings, bridges, pavements, and where soil conditions are normal. ·          It isalso used in concrete masonry units and in additi...