What Is The Importance Of Cement Industry?

What Is The Importance Of Cement Industry? Cement industry is the second most important primary and basic industry for the economic development of India, second only after iron and steel industry the cement industry is basic industry and makes an important contribution to the development of the other factory industry, to the construction and even

Which Rock Is Used In Cement?

Which Rock Is Used In Cement? Quarried limestone is stockpiled and then is blended with other raw material like clay/shale, silica, iron ore in required proportion. The blended material is then heated at high temperature upto 1400–1450 oC in a kiln to produce clinker. The clinker is grinned along with 3–5% gypsum to produce cement.