Cement clinker is a solid material produced in the manufacture of Portland cement as an intermediary product. Clinker occurs as lumps or nodules, usually 3 millimetres to 25 millimetres in diameter. It is produced by sintering limestone and aluminosilicate materials such as clay during the cement kiln stage.

What is the uses of cement clinker?

Clinker is primarily used to produce cement. Since it can be stored in dry condition for several months without noticeable deterioration, it is traded internationally in large amounts. Cement manufacturers buy clinker for their cement plants in areas where raw materials for cement are scarce or unavailable.

What is difference between cement and clinker?

The main differences between clinker and cement are given below. Clinker is a nodular material which is used as the binder in cement products. ... Clinker is a granular substance containing spherical pellets of diameter 3-25 mm. Cement is such a fine powdery substance that each pound of cement contains 150 billion grains.