Difference Between OPC Cement and PPC Cement.

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Difference Between OPC Cement and PPC Cement. Portland Pozzolana Cement is a variation of Ordinary Portland Cement. Pozzolana materials namely fly ash, volcanic ash, are added to the OPC so that it becomes PPC. ... PPC has low initial setting strength compared to OPC but hardens over a period of time with proper curing.

What is PPC Cement?:

PPC Cement stands for” Portland Pozzolana Cement”. Pozzolana is an extender a supplementary cementitious material used to enhance improve the strength and durability of the cement. The word Pozzolana comes from the word ‘Pozzoluana’ which is a form of Volcanic Ash.Volcanic Ash is the first form of Pozzolana used in PPC cement, which also includes natural and artificial siliceous and aluminous materials such as clay, slag, silica fume, fly ash & Shale .Some of these above-mentioned materials are industrial surplus byproducts waste residues produced from other processes but they and are ideal in producing PPC Cement.

     Pozzolana as a material is an artificial material which possesses silica in its reactive form. Along with 20–35% of Pozzolanic materials, PPC majorly also contains portland OPC Clinker(65–70%) and Gypsum. Dalmia Cement is a nationwide large scale manufacturer of PPC Cement and is popular in both residential and institutional constructions.

                                 

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What is OPC Cement?

OPC Cement stands for ‘Ordinary Portland Cement’. It is the most widely and commonly used variant type of cement in the world. Used mainly in the construction of high rise buildings, OPC Cement takes the lowest time to settle set and harden. In India, Dalmia OPC Cement is the most popular choice when it comes to large scale construction.

OPC Cement is manufactured by adding limestone and other raw argillaceous, calcareous materials and gypsum materials like argillaceous, calcareous and gypsum. OPC can be manufactured on a large scale wherever there is availability of minerals like limestone, due to the easy availability of raw materials an essential ingredient for production of Portland cement. required for its production. It is the most popular choice of cement throughout the world due to it’s versatility as a major binding material.as its production costs are comparatively lower.

Source of info: https://medium.com/@dalmiacement234