OPC 42.5 N

…  is heated to between1400 – 1450 degrees Celsius, which causes melting to take place. As the materials melt, calcium silicates are formed …

Aluminous Cement

…  deal more expensive than ordinary Portland cement. Uses of Aluminous Cement Aluminous cement is only used in a very small …

OPC 52.5

…  exceeding 1400 degrees Celsius. The firing process causes the aluminum and the iron to melt into their liquid states, in which they …

Cement Types

…  this shrinkage by expanding slightly. There are three main uses for expansive cements the first one being crack resistance, the second …

Portland Cement Grades

…  become increasingly popular. It is suitable for general uses such as general paving and mass concreting, but may be hard to find as it …

History of Cement

…  and then later on, from mud bricks. Wood and wattle houses (also known as post houses, because of the wooden posts which were often erected to give them …

Cement

…  or more. The firing process melts the materials and causes waste gases to be released, (the same gases which are then used to preheat …