Limestone

Global Limestone Exporter & Supplier of High-Calcium Industrial Limestone

We are a premier exporter and supplier of high-quality limestone, delivering consistent, industrial-grade material to cement manufacturers, steel plants, construction companies, and chemical industries worldwide.

With access to premium quarries, advanced processing facilities, and a robust logistics network, we ensure uninterrupted supply, precise specifications, and timely delivery. Our limestone is processed and tested to meet international quality standards, making us a reliable partner in the global mineral trade.

What is Limestone? The Foundation of Modern Industry

Limestone is a sedimentary rock primarily composed of calcium carbonate (CaCO₃), formed over millions of years from marine organisms, shells, and mineral deposits. It is one of the most abundant and widely used minerals on Earth.

Its versatility lies in its chemical composition and ability to transform under heat and processing, making it essential for industries ranging from construction to environmental management.

Key Properties of Limestone

Limestone offers a powerful combination of physical and chemical characteristics:

• High Calcium Carbonate Content (CaCO₃)
• Excellent Reactivity (especially after calcination)
• Natural Alkalinity (pH balancing properties)
• High compressive strength
• Good thermal stability
• Low impurity levels (silica, iron, alumina)

These properties make limestone a cornerstone material across industries.

Types of Limestone We Export

We supply a comprehensive range of limestone products tailored to industrial needs:

1. High-Calcium Limestone

Premium-grade limestone with high CaCO₃ content.

Specifications:

• CaCO₃: 90% – 98%+
• Low silica and iron content
• High brightness

Applications:
Cement, steel, glass, chemicals

2. Limestone Lumps

Natural limestone in large sizes for industrial processing.

Key Features:

• Uniform sizing
• High purity
• Suitable for crushing, calcination, and kilns

3. Limestone Powder

Finely processed limestone for direct industrial use.

Available Mesh Sizes:
100 mesh, 200 mesh, 325 mesh, 500 mesh, customized grades

Key Features:

• Fine particle distribution
• High whiteness
• Low moisture

4. Calcined Limestone (Quicklime / CaO)

Produced by heating limestone in kilns.

Key Features:

• High reactivity
• Strong binding properties
• Excellent for metallurgical processes

Applications:
Steel manufacturing, water treatment, chemical processing

5. Hydrated Lime (Slaked Lime / Ca(OH)₂)

Formed by adding water to quicklime.

Key Features:

• Fine powder
• High chemical reactivity
• Easy handling

Applications:
Water purification, construction, environmental control

6. Dolomitic Limestone

Contains magnesium carbonate along with calcium carbonate.

Applications:
Agriculture, refractory materials, glass production

Chemical Composition & Technical Specifications

We supply limestone with controlled and consistent composition:

• Calcium Carbonate (CaCO₃): 85% – 98%
• Calcium Oxide (CaO): High after calcination
• Magnesium Oxide (MgO): 0.5% – 5%
• Silica (SiO₂): < 5%
• Iron Oxide (Fe₂O₃): < 1%
• Alumina (Al₂O₃): Low
• Moisture Content: < 1%
• Whiteness: High

All materials are tested in certified laboratories to ensure quality and consistency.

Limestone Mining, Processing & Calcination

Our limestone follows a carefully controlled journey:

1. Quarrying

Extracted using modern blasting and excavation techniques.

2. Crushing & Screening

Primary size reduction and sorting for industrial requirements.

3. Grinding & Pulverization

Processed into fine powders for specialized applications.

4. Calcination

Heating at high temperatures (900–1000°C) to produce quicklime.

5. Hydration

Conversion of quicklime into hydrated lime for chemical applications.

6. Quality Control

Rigorous testing for chemical composition and particle size.

7. Packaging & Export

Prepared for global shipment with proper documentation.

Industrial Applications of Limestone

Limestone is one of the most versatile minerals in the world:

Cement Industry

The backbone of cement production, forming the primary raw material.

Steel Industry

Used as a flux to remove impurities during iron and steel production.

Construction & Infrastructure

Used in roads, buildings, aggregates, and architectural stone.

Glass Manufacturing

Provides calcium for strength and chemical resistance.

Agriculture

Used to improve soil fertility and neutralize acidity.

Water Treatment & Environmental Applications

• Neutralizes acidic water
• Removes impurities
• Used in flue gas desulfurization

Paints, Plastics & Rubber

Acts as a filler to improve durability and reduce production costs.

Paper Industry

Used as a coating and filler for high-quality paper production.

Chemical Industry

Raw material for lime, calcium carbide, and other compounds.

Global Market Trends & Demand

Limestone demand continues to grow due to global industrialization and infrastructure expansion.

Key Importing Countries & Regions:

• Middle East (UAE, Saudi Arabia)
• Asia (China, Bangladesh, Vietnam)
• Africa
• Europe

Market Drivers:

• Rapid urbanization
• Growth in cement and steel industries
• Environmental regulations (water & air treatment)
• Expansion of construction projects worldwide

Why Choose Us as Your Limestone Export Partner?

In a world built on stone, reliability is everything.

Consistent High Quality

Strict quality control ensures uniform composition.

Strong Quarry Network

Access to high-grade limestone reserves.

Advanced Processing

Modern facilities for precision grading and purity.

Reliable Logistics

Efficient global shipping with timely delivery.

Custom Specifications

Tailored sizes, grades, and packaging options.

Competitive Pricing

Optimized operations for cost-effective exports.

Packaging, Shipping & Export Capabilities

We provide flexible and secure packaging solutions:

• 25 kg / 50 kg HDPE bags
• Jumbo bags (1 MT)
• Bulk cargo shipments
• Containerized export

Ports: Major Indian ports for global connectivity
Delivery: End-to-end logistics management

Sustainability & Responsible Quarrying

We are committed to environmentally responsible quarrying and processing. Our operations focus on reducing environmental impact, efficient resource utilization, and compliance with regulatory standards.

Industries We Serve

• Cement manufacturers
• Steel plants
• Construction companies
• Agricultural sector
• Chemical industries
• Water treatment plants
• Paper and plastics industries

Contact Us for Bulk Limestone Supply

If you are looking for a reliable limestone exporter with consistent quality, competitive pricing, and global delivery capabilities, we are ready to support your business.

Contact us today for technical specifications, samples, and bulk pricing.

Technical Specifications

Chemical Formula: CaCO₃ (Limestone), CaO (Quicklime)
Color: White, cream, gray

Chemical Composition Guaranteed Specification
CaCO₃	90-98%
CaO	50-55%
MgO	1.50% max
SiO₂	2.00% max
Al₂O₃	1.00% max
Fe₂O₃	0.50% max
LOI	42-44%

Physical Composition
Size	10-50 mm (Lump), 0-10 mm (Powder)
Oversize +50 mm	5.00% max
Undersize -10 mm	15.00% max
Moisture	1.00% max

Acid Reactivity: Readily dissolves in acids with CO₂ evolution