The raw materials used in cement are, Calcareous materials (limestone) Argillaceous materials (clay) Gypsum Pozzolanic materials (fly ash, pumicite)
The raw materials required for cement are, Calcareous materials (limestone) Argillaceous materials (clay) Gypsum Pozzolanic materials like fly ash, volcanic ash, pumicite.
the main ones are limestone and shale. Gypsum is also used to make the cement set more slowly.
Raw Materials. Lime. Sylica. Alumina. Iron Oxide. gypsum.
Raw materials used in processing cement are, Calcareous materials (limestone) Argillaceous materials (clay) Gypsum Coal dust.