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Pozzolanic blended cement, commonly known as Portland Pozzolana Cement (PPC), is a type of cement that incorporates pozzolanic materials, which are siliceous or siliceous and aluminous materials that react with calcium hydroxide in the presence of water. This blend enhances the properties of the cement, providing improved durability and resistance to chemical attacks. The pozzolanic materials can include fly ash, volcanic ash, or silica fume, which are finely ground and mixed with ordinary Portland cement.
| Composition | Portland cement and pozzolanic materials |
| Typical strength | 28-day compressive strength of 33 MPa to 53 MPa |
| Setting time | Initial setting time of 30 to 60 minutes |
| Water-cement ratio | Typically between 0.4 to 0.6 |
| Color | Gray to light gray depending on pozzolanic content |
When selecting pozzolanic blended cement, consider the specific pozzolanic material used in the blend, as different materials can affect performance characteristics. It's important to specify the desired compressive strength, setting time, and any required certifications or standards, such as IS or ASTM specifications. Additionally, indicate the quantity needed for your project to ensure accurate pricing and availability.
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It improves durability, reduces permeability, and enhances resistance to chemical attacks.
Yes, it is suitable for various applications including residential, commercial, and infrastructure projects.
When stored properly, it can last up to 6 months without significant loss of quality.
Yes, it utilizes industrial by-products, reducing waste and lowering the carbon footprint.
It offers enhanced resistance to moisture and is suitable for use in wet environments.
Look for certifications such as IS 1489 or ASTM C618 to ensure quality.