Question 1

How does National White Cement differ from grey cement?

Accepted Answer

The primary difference lies in the raw material composition; white cement has much lower iron oxide and manganese oxide content compared to grey cement. This results in a finer texture and higher energy consumption during production, making white cement more expensive.

Question 2

What packaging options are available for this product?

Accepted Answer

It is available in 50Kg bags, making it cost-effective for large-scale projects while ensuring easy handling and storage.

Question 3

How long is the shelf life of this cement?

Accepted Answer

The shelf life of National White Cement is typically 24 months when stored in a dry environment away from moisture.

Question 4

What precautions should be taken during its use?

Accepted Answer

Proper mixing ratios should be maintained to prevent segregation or weak finishes. Adequate curing and protection during low temperatures are recommended to ensure optimal results.

Question 5

Does it have any environmental benefits?

Accepted Answer

Yes, National White Cement is manufactured using sustainable practices, which help reduce its environmental impact.

Question 6

What are the technical advantages of this cement?

Accepted Answer

The cement has low shrinkage to reduce cracking risks, excellent moisture resistance for high-humidity environments, and fine powder consistency for easy application. It also ensures strong bonding and superior workability.

Question 7

Where can this cement be used?

Accepted Answer

It is suitable for both interior and exterior applications, including residential and commercial projects. Common uses include tile setting, plastering, decorative concrete finishes, and structural applications requiring a clean appearance.

Question 8

What is the grade and type of this cement?

Accepted Answer

National White Cement is classified as CEM II with a strength grade of 52.5, ensuring durability and high performance in construction projects.

Question 9

What are the key features of National White Cement?

Accepted Answer

National White Cement offers high strength, excellent bonding properties, and a bright white finish. It is ideal for decorative applications like plastering, tiling, and concrete finishes, providing a smooth and aesthetic surface.

Question 10

What precautions should be taken when using National White Cement?

Accepted Answer

When using National White Cement, it is crucial to avoid contamination with materials that could affect its colour. Additionally, specific admixtures should be tested for compatibility to ensure they do not alter the desired whiteness or performance characteristics of the final product.

Question 11

What are the physical properties of National White Cement?

Accepted Answer

Physical properties include a fineness of approximately 395 m²/kg, a setting time of about 100 minutes, and a compact density of 3150 kg/m³. The compressive strength values at various curing times are significant for assessing performance in practical applications.

Question 12

What are the typical applications of National White Cement?

Accepted Answer

National White Cement is widely used in high-end construction projects, decorative works, and precast concrete products. Its aesthetic appeal makes it suitable for architectural finishes, flooring, and ornamental concrete items.

Question 13

What are the chemical requirements for National White Cement?

Accepted Answer

The maximum iron oxide content in National White Cement should not exceed 1.0% by mass. Other chemical parameters include specific limits on total sulfur content, insoluble residue, and magnesium oxide, ensuring the cement meets performance and durability standards.

Question 14

What are the key specifications of National White Cement?

Accepted Answer

The National White Cement comes in 50 kg bags. It has a compressive strength of at least 90% of that specified for 33-grade ordinary Portland cement, and its degree of whiteness must be at least 70% reflectance.

Question 15

What is National White Cement?

Accepted Answer

National White Cement is a specialized type of Portland cement that is characterized by its high degree of whiteness, making it ideal for decorative and architectural applications. It is produced with raw materials that contain minimal iron oxide, which contributes to its lighter colour compared to grey cement.

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