Raw material ingredients used for manufacturing of Portland Cement are:

  1. Calcareous Materials: Calcareous Materials are compounds of calcium and magnesium. Limestones are common calcareous material used in manufacturing cement.
  2. Argillaceous Materials: Argillaceous Materials are mainly silica, alumina and oxides of iron. Clay and shale are common argillaceous material used as cement ingredient in the process of manufacturing cement.

Related Articles: