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.

Who Makes The Best Concrete In The World?

Who Makes The Best Concrete In The World? LafargeHolcim is currently headquartered in Jona, Switzerland, and ranks number 1 on this list of the top 10 cement companies in the world ranked by cement production and revenue. Which country makes the best concrete? Rank Country Cement Production (million metric tons), 2014 1China 2,500 2 India