Rajarajeshwari Industries

We produce limestone in different sizes as follows:
* 6 - 15 mm
* 15 - 25 mm
* 25 - 50 mm
* 50 - 150 mm
* 0 - 40 mm
* 0 - 50 mm
* 40 - 80 mm

Description:
Limestone Cement 32.5N (EN 197-1 CEM II/B-L) is a high-performance cement made with a blend of clinker and limestone. This cement is designed for various construction applications, providing reliable strength and durability. With a 28-day compressive strength of 43 MPa, it is ideal for residential buildings, infrastructure projects, and more. The addition of limestone makes it a more sustainable and eco-friendly option compared to traditional Portland cement, reducing environmental impact while maintaining excellent performance.

Chemical Composition:
Silicon Dioxide (SiO2): 15.45%
Aluminum Oxide (Al2O3): 4.72%
Ferric Oxide (Fe2O3): 3.06%
Calcium Oxide (CaO): 67.76%
Magnesium Oxide (MgO): 0.17% (Max 5.0%)
Sulfur Trioxide (SO3): 2.71% (Max 4.0%)
Chloride (Cl): 0.02% (Max 0.10%)
Insoluble Residue (I.R): 0.45% (Max 5.0%)
Loss on Ignition (L.O.I): 13.22%
Free Lime (F-CaO): 1.2% (Max 2.0%)
Chromium Hexavalent (Cr VI): 1.3 ppm (Max 2.0 ppm)

Physical Properties:
Fineness (Blaine): 4875 cm�²/g
Water Consistency: 27%
Initial Setting Time: 117 minutes (Min 75 minutes)
Final Setting Time: 177 minutes
7-Day Flexural Strength: 6.1 MPa
7-Day Compressive Strength: 32.1 MPa
28-Day Flexural Strength: 7.7 MPa
28-Day Compressive Strength: 43 MPa (Min 32.5 MPa - Max 52.5 MPa)
Soundness: 1.5 mm (Max 10 mm)


Packaging Options:
Available in bulk or custom packaging upon request to meet specific needs of large-scale cement producers.

Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO3) in the form of the mineral calcite. It often contains other minerals, such as clay, dolomite, and silic
Appearance: Limestone can vary in color from white and gray to tan, brown, and even black. Its appearance can be influenced by impurities, organic materials, and the type of minerals present.
Uses:
Construction: Limestone is widely used as a building material for flooring, walls, and facades due to its durability and aesthetic appeal.
Industry: It is used in various industries, such as cement production, where it serves as a key ingredient in the manufacturing of Portland cement.
Agriculture: Limestone is used to improve soil quality by neutralizing acidity, providing essential nutrients like calcium, and promoting plant growth.
Chemical Industry: It is used in the production of lime, which has applications in various chemical processes.

Types of Limestone
1. Calcitic Limestone: Composed mainly of calcite.
2. Dolomitic Limestone: Composed mainly of dolomite, a mineral containing calcium magnesium carbonate.
3. Skeletal Limestone: Composed of skeletal remains of marine organisms.
4. Chemical Limestone: Formed through chemical precipitation.

Uses of Limestone
1. Construction: Used as building stone, aggregate, and cement.
2. Cement Production: Limestone is a key ingredient in cement production.
3. Steel Production: Used as a flux to remove impurities from steel.
4. Water Treatment: Used to neutralize acidic water.
5. Agriculture: Used as a soil conditioner to neutralize acidic soils.
6. Glass Manufacturing: Used as a source of calcium oxide.
7. Paper Milling: Used as a filler and coating agent.
8. Waste Water Treatment: Used to remove impurities and heavy metals.

Benefits of Limestone
1. Economical: Limestone is a relatively inexpensive resource.
2. Wide Availability: Limestone is widely available across the globe.
3. Versatile: Limestone has numerous industrial and commercial applications.
4. Environmentally Friendly: Limestone can help neutralize acidic emissions from industrial processes.

Interesting Facts
1. Largest Producer: China is the world\'s largest producer of limestone.
2. Ancient Architecture: Limestone was used in the construction of ancient structures like the Great Pyramid of Giza.
3. Fossil Record: Limestone often contains fossils of marine organisms.

All types and grades of cement and cementitious materials (clinker, gypsum and limestone).

We are supplier and exporter of Limestones Lumps.

Limestone Lumps are supplied by us at very reasonable rates. These Limestone Lumps are used extensively in numerous industries to serve varied purposes. Our Limestone Lumps have desired chemical & physical properties and are free from any external impurity. We ensure proper packaging of the Limestone Lumps with a view to provide best quality product to our clients. Use: Used for water purification and sugar refining. Features: Accurate composition Precise pH value Longer shelf life Demanded By: Cement industry Fertilizer industry Sugar industry Glass industry Chemical industry Iron & Steel industry.

Features Of Lime Stone Fines

Lime stone is a fine powder obtained from the processing of Limestone. It can be added to Portland cement as an addition, wither at factory to create a composite cement or at the batch plant to form a combination cement.

Applications
Cement paste
Filler
Green Concrete

Portland Cement - OPC / SRC / White
Product Detailed Description by Trade Rock for Trading and Mining
Product Name:
Portland Cement (Ordinary / Sulphate-Resistant / White)
Origin:
Egypt
Producer & Exporter:
Trade Rock for Trading and Mining
Product Description:
Trade Rock supplies high-quality Portland Cement for a wide range of construction and infrastructure
applications. Our cement products meet ASTM and EN standards, offering reliable strength, durability, and
workability. We provide Ordinary Portland Cement (OPC), Sulphate-Resistant Cement (SRC), and White
Cement, tailored to meet the needs of our global clients.
Key Specifications:
- Types: OPC 42.5N / 52.5N (EN 197-1), ASTM C150 Type I & II, SRC, White Cement
- Setting Time (Initial): >= 60 min
- Compressive Strength (28 days): >= 42.5 or 52.5 MPa depending on grade
- Fineness (Blaine): >= 320 m�?�²/kg
- Clinker Content: >= 90%
- SO3: <= 3.5%
- MgO: <= 5.0%
- Form: Powder
- Color: Grey / White (depending on type)
- Packaging: 50 kg PP bags, 1-ton jumbo bags, or bulk
Applications:
- Residential and commercial construction
- Concrete ready-mix and precast
- Infrastructure: roads, bridges, dams
- Coastal/marine structures (SRC)
- Decorative and aesthetic construction (White Cement)
Competitive Advantages:
- High early and long-term strength
- Suitable for various environmental conditions
- Conforms to ASTM, BS EN, and global cement standards
- Reliable supply chain and port logistics
Logistics & Delivery:
- FOB Port: Alexandria, Damietta, or Sokhna, Egypt
- Minimum Order Quantity: 5,000 MT
- Monthly Supply Capacity: 150,000+ MT
- Delivery Time: 10-20 days from order confirmation
Compliance & Certification:
- ISO 9001:2015 Certified
- SGS, Bureau Veritas, or Intertek inspection available
- Conforms to ASTM C150 / EN 197-1 standards
Storage & Handling:
- Store in dry, moisture-free areas
- Use proper stacking and dust-control practices