DIFFERENCE BETWEEN OPC AND PPC CEMENT

One of the prime differences between PPC and OPC is their composition. OPC exists solely from mixing limestone, clay, and other materials, while PPC contains OPC and pozzolanic materials. Their compositional difference leads to contrasting properties in the two types of cement.

PPC has a lower heat of hydration than OPC, which means it generates less heat during the curing process. This cement is ideal for gigantic concrete structures such as dams, bridges, and high-rise buildings, as it reduces the risk of thermal cracking. PPC is also more resistant to sulfate attacks than OPC, making it suitable for use in coastal areas or areas with high sulfate levels in the soil.

However, OPC, on the other hand, has a higher initial strength than PPC, making it suitable for applications that require high early strength, such as precast concrete products, concrete pipes, and concrete blocks. OPC also has a higher fineness than PPC, which means it can produce a smoother surface finish when used in plastering and rendering applications.

Despite their differences, PPC and OPC equally provide uncompromised quality for building solid and long-lasting infrastructure. The type of cement to use depends on the specific application and the project requirements.