The composition of concrete.
In the manufacture of concrete of the brand M 350, class in 25, sand, cement, crushed stone, water and special additives are required, which are required to improve its characteristics. In the solution of any concrete mixture, all ingredients should be in certain proportions. Making concrete, with characteristics M 350, manufacturers add a lot of cement, which quickly grasps, so the material should be promptly delivered to the construction site. The composition uses granite or gravel crushed stone, the choice of this ingredient depends on the specific conditions of construction and the existing budget.