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Types and uses of cement
Cement: powder hydraulic inorganic cementing material. Mud can be hardened in air after being mixed with water, and the hardening effect is better in water, and materials such as sand and stone can be firmly bonded together. This paper will introduce the types and uses of cement.

Portland cement

It is best to use 32.5 cement for wall and powder wall, because the price is cheap. It is best to use 42.5 ordinary portland cement for pouring columns, beams and slabs, because the strength of concrete mixed with 42.5 cement is relatively high.

Cementitious material

As an important cementing material, cement is widely used in civil construction, water conservancy, national defense and other projects.