OPC 42.5 N

…  N, which attains it at the normal rate. With the exception of applications which require high strength quickly after pouring, 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

…  Unlike traditional cements which are comprised largely of calcium silicates, aluminous cements are made with calcium aluminates. …  deal more expensive than ordinary Portland cement. Uses of Aluminous Cement Aluminous cement is only used in a very small …

OPC 52.5

…  on the market. With a minimum compressive strength of 52.5 MPa (or 525 kg/cm2) attained on the 28th day after pouring, OPC 52.5 is …  exceeding 1400 degrees Celsius. The firing process causes the aluminum and the iron to melt into their liquid states, in which they …

Cement Types

…  of Cement Wondering what type of cement best suits your project? Refer to this …  properties that make them more useful in some cases than ordinary Portland cement, and they quite often reduce the cost of cement as …  this shrinkage by expanding slightly. There are three main uses for expansive cements the first one being crack resistance, the second …

Portland Cement Grades

…  Portland Cement Grades Just as there are various types of Portland cement available for different applications there are also various …  become increasingly popular. It is suitable for general uses such as general paving and mass concreting, but may be hard to find as it …