Difference between OPC , PPC , PSC and SRC Cement?

[archdevil]

From the name of cement what we know is the

OPC - Oridinary Portland Cement usually used above ground level normally
PPC - Porzzolna Portland Cement usually used below ground level.
PSC - Portland Slag Cement usually used in coastal area.
SRC - Sulphate Resistant Cement usually used depending on on climatic and conditions.

What is the difference between OPC PPC PSC and SRC Cement?

 

[Dnyan Deshmukh]

OPC is ordinary Portland cement which is most commonly use for any construction activity. It consist of mostly lime say 90 % and as per the new law here in India, 5% Flyash is added into it as a performance improver and rest is gypsum and fluxing agents.

PPC contents normally a Fly Ash and could ave lowers strength gain depending on % of fly ash added into it. normally up to 35% is allowed in total weight.

PSC is made by grinding clinkers of cement along with GGBS, effect on strength gain depend on % of blending of GGBS, you can add it up to 70% by total weight.

SRC is made by controlling values of compound call C3A and C4AF on lower side to provide resistance to suphates and chlorides. It is useful in environment where sulphates can attack on concrete.