Magnesite

Magnesite is a naturally occurring mineral composed of magnesium carbonate (MgCO₃). It is the primary source of magnesium and is widely used in refractory and chemical industries.

Magnesite is typically white, grey, or yellowish and forms through both sedimentary and hydrothermal processes.

Category:

Global Magnesite Exporter & Supplier of High-Quality Magnesite Ore

We are a leading exporter and supplier of premium-grade magnesite, delivering consistent, high-purity material to refractory industries, steel plants, chemical manufacturers, and agricultural sectors worldwide.

With access to high-quality magnesite deposits, advanced processing and calcination facilities, and a strong global logistics network, we ensure reliable supply, precise specifications, and timely delivery. Our magnesite products meet international standards, making us a trusted partner in the global magnesite market.

What is Magnesite? A Key Source of Magnesium

Magnesite is a naturally occurring mineral composed of magnesium carbonate (MgCO₃). It is the primary source of magnesium and is widely used in refractory and chemical industries.

Magnesite is typically white, grey, or yellowish and forms through both sedimentary and hydrothermal processes.

Key Physical & Chemical Properties of Magnesite

Magnesite offers exceptional industrial properties:

  • High magnesium oxide (MgO) potential
  • Excellent thermal resistance
  • High melting point (> 2800°C for MgO)
  • Chemical stability
  • Strong resistance to corrosion and slag attack
  • Low impurity levels
  • High density (in calcined forms)

These properties make magnesite essential in high-temperature and chemical applications.

Types of Magnesite We Export

We supply a wide range of magnesite grades tailored to industrial requirements:

  1. Raw Magnesite (Natural Magnesite)

Extracted directly from deposits.

Applications:
Further processing, chemical uses

  1. Calcined Magnesite (Caustic Calcined Magnesia – CCM)

Produced by heating magnesite at moderate temperatures.

Key Features:

  • High reactivity
  • Fine particle size

Applications:
Agriculture, chemicals, environmental uses

  1. Dead Burnt Magnesite (DBM)

Calcined at very high temperatures.

Key Features:

  • High density
  • Low reactivity
  • Excellent thermal stability

Applications:
Refractory bricks, furnace linings

  1. Fused Magnesite

Produced by melting magnesite at extremely high temperatures.

Key Features:

  • Very high purity
  • Exceptional strength

Applications:
High-performance refractories

  1. Magnesite Powder

Processed into fine powder for industrial use.

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

Chemical Composition & Technical Specifications

We maintain strict quality standards:

  • Magnesium Carbonate (MgCO₃): 85% – 98%
  • Magnesium Oxide (MgO): High (after calcination)
  • Calcium Oxide (CaO): Low
  • Silica (SiO₂): < 2% – 5%
  • Iron Oxide (Fe₂O₃): Low
  • Loss on Ignition (LOI): Standard range
  • Moisture Content: < 2%

Each batch is tested to ensure consistent quality.

Magnesite Mining, Processing & Calcination

Our magnesite follows a controlled production process:

  1. Mining & Extraction

Extracted from high-grade deposits.

  1. Crushing & Screening

Reduced to required sizes.

  1. Sorting & Beneficiation

Improves purity.

  1. Calcination

Heated at controlled temperatures depending on required grade.

  1. Grinding & Pulverization

Processed into fine powder.

  1. Quality Testing

Ensures chemical and physical consistency.

  1. Packaging & Export

Prepared for global shipment.

Industrial Applications of Magnesite

Magnesite is a critical industrial mineral:

Refractory Industry (Primary Application)

Used in furnace linings and high-temperature applications.

Steel Industry

Used in steelmaking processes and refractory linings.

Chemical Industry

Used in magnesium compounds and fertilizers.

Agriculture

Used as a magnesium-rich soil conditioner.

Construction Industry

Used in specialty construction materials.

Environmental Applications

Used in water treatment and pollution control.

Global Market Trends & Demand

Magnesite demand is driven by high-temperature industries and magnesium production.

Major Importing Countries:

  • China
  • USA
  • Germany
  • Japan
  • South Korea

Market Drivers:

  • Growth in steel and refractory industries
  • Increasing demand for magnesium compounds
  • Expansion of industrial manufacturing
  • Rising need for heat-resistant materials

Why Choose Us as Your Magnesite Export Partner?

In industries where heat tests everything, we deliver materials that endure.

High-Purity Magnesite

Ensures superior industrial performance.

Advanced Calcination Facilities

Supports multiple grades (CCM, DBM, fused).

Consistent Quality

Uniform composition across batches.

Reliable Supply Chain

Uninterrupted availability.

Custom Specifications

Tailored grades and sizes.

Global Export Expertise

Efficient logistics and documentation.

Packaging, Shipping & Export Capabilities

We provide flexible export options:

  • 25 kg / 50 kg bags
  • Jumbo bags (1 MT)
  • Bulk shipments

Ports: Major Indian ports
Delivery: Worldwide logistics support

Sustainability & Responsible Mining

We follow responsible mining practices, focusing on environmental protection and efficient resource utilization.

Industries We Serve

  • Refractory manufacturers
  • Steel plants
  • Chemical industries
  • Agricultural sector
  • Environmental industries

Contact Us for Bulk Magnesite Supply

If you are looking for a reliable magnesite 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: MgCO₃ (Raw), MgO (Calcined)
Color: White to gray (raw), cream to tan (calcined)

Chemical Composition Guaranteed Specification
MgO 40-47% (Raw), 85-97% (Calcined)
CaO 1.50% max
SiO₂ 2.00% max
Fe₂O₃ 1.50% max
Al₂O₃ 0.50% max
LOI 48-52% (Raw), <2% (DBM)
Physical Composition
Size 10-50 mm (Lump), 0-5 mm (DBM)
Mesh 200, 325 mesh (CCM)
Bulk Density 3.0-3.6 g/cm³ (Calcined)
Moisture 1.00% max

Acid Reactivity: Soluble in dilute acids; stable in alkaline conditions

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