What is cement?

Question

Crushed limestone and clay are mixed to form a powder known as ‘raw meal’ which is converted into clinker in kilns fired at 1,450°C. When milled (finely ground), clinker is known as cement.

Accepted Answer

Crushed limestone and clay are mixed to form a powder known as ‘raw meal’ which is converted into clinker in kilns fired at 1,450°C. When milled (finely ground), clinker is known as cement.