Cement

Cement

Cement is a hydraulic binder and a finely ground inorganic material. When mixed with water, it forms a paste, which sets and hardens by means of hydraulic reactions.

Types of Cement:

There are various types of cement in use and the latest revised edition of IS:456-2000 permits the use of 10 different types of cement. These are:

1. 33 grade- ordinary Portland cement, conforming to IS 269.
2. 43 grade- ordinary Portland cement, conforming to IS 8112.
3. 53 grade- ordinary Portland cement, conforming to IS 12269.
4. Rapid hardening Portland cement conforming to IS 8041.
5. Portland slag cement conforming to IS 455.
6. Portland pozzolana cement (fly ash based) conforming to IS 1489 (Part 1).
7. Portland pozzolana cement (calcined clay based) conforming to IS 1489 (Part 2).
8. Hydrophobic cement conforming to IS 8043.
9. Low heat Portland cement conforming to IS 12600.
10. Sulphate resisting Portland cement conforming to IS 12330.