Opc and ppc cement which is better?
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It depends on the project and your particular requirements. Generally, OPC (Ordinary Portland Cement) is more common as it is more cost-effective, has a shorter curing time, and offers good strength and durability. PPC (Portland Pozzolana Cement), on the other hand, has better resistance to sulfate attacks and is more suitable for marine environments.
Additionally, PPC produces less heat of hydration than OPC, making it a better choice in large and mass concrete applications. Therefore, it is important to select the type of cement based on the project requirements.