Question 1

What are the storage requirements for RAK (SRC) Sulfate-Resistant Portland Cement?

Accepted Answer

Storage: Cement should be kept in a cool, dry place and protected from moisture and direct sunlight to maintain its quality and prevent clumping before use.

Question 2

What are the typical applications of this cement?

Accepted Answer

It is ideal for constructing durable concrete structures like bridges, dams, and buildings in coastal or industrial areas prone to sulfate exposure.

Question 3

Is this cement environmentally sustainable?

Accepted Answer

Yes, it contains up to 70% replacement materials, reducing environmental impact while maintaining high performance.

Question 4

What is the packaging size and availability?

Accepted Answer

The cement is available in 50kg bags and can be purchased from various suppliers in stock.

Question 5

What are its benefits over ordinary Portland cement (OPC)?

Accepted Answer

It offers superior durability in aggressive environments, high early and ultimate strength, and resistance to sulfate attacks that can damage OPC-based concrete.

Question 6

How does it prevent sulfate attacks?

Accepted Answer

The cement minimizes the chemical reaction between sulfates and concrete by reducing the C3A content, which helps prevent degradation in environments with high sulfate exposure.

Question 7

What are the key technical properties of this cement?

Accepted Answer

The cement has a compressive strength of approximately 32.5 MPa (4700 psi) at 28 days. It also features high sulfate resistance due to reduced C3A content, contributing to long-term durability and high performance.

Question 8

What standards does this cement conform to?

Accepted Answer

It meets ASTM C 150-09 Type V and BS 4027:1996 standards, ensuring high sulfate resistance and durability in harsh conditions.

Question 9

What is RAK (SRC) Sulfate-Resistant Portland Cement used for?

Accepted Answer

It is designed for concrete structures exposed to sulfate-rich environments, such as foundations, marine structures, and areas with sulfate in soil or groundwater.

Question 10

What safety precautions should be taken when handling RAK (SRC) Sulfate-Resistant Portland Cement?

Accepted Answer

Safety precautions include wearing protective gloves, masks, and goggles to avoid skin irritation and respiratory issues, as well as ensuring proper ventilation in the work area to minimize dust exposure.

Question 11

Is RAK (SRC) Sulfate-Resistant Portland Cement environmentally friendly?

Accepted Answer

RAK (SRC) Sulfate-Resistant Portland Cement is considered environmentally friendly in comparison to other types, as it reduces the need for repairs and replacement materials over time, promoting sustainability.

Question 12

Can RAK (SRC) Sulfate-Resistant Portland Cement be used in marine environments?

Accepted Answer

Yes, this cement is suitable for marine environments due to its resistance to sulfate attacks from saltwater, making it ideal for coastal constructions.

Question 13

What is the recommended water-cement ratio for RAK (SRC) Sulfate-Resistant Portland Cement?

Accepted Answer

The recommended water-cement ratio for optimal strength and durability is typically around 0.45 to 0.55, which helps ensure proper hydration and reduces porosity in the cured concrete.

Question 14

How does sulfate resistance benefit construction projects?

Accepted Answer

Sulfate resistance prevents deterioration caused by sulfates in soil or groundwater, ensuring long-lasting durability for concrete structures exposed to these conditions.

Question 15

What are the key technical specifications of RAK (SRC) Sulfate-Resistant Portland Cement?

Accepted Answer

The key technical specifications of RAK (SRC) Sulfate-Resistant Portland Cement include a compressive strength of 42.5 MPa at 28 days and compliance with ASTM C150 for Type II and Type V cement. It also has a low heat of hydration, making it suitable for massive structures.

الأسمنت البورتلاندي المقاوم للكبريتات (SRC) من شركة (Ultratech)- 50Kg

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