Bentonite

Bentonite is a naturally occurring clay composed primarily of montmorillonite, a type of smectite mineral known for its exceptional swelling and absorption properties.

It forms from volcanic ash deposits that have undergone weathering over millions of years. When mixed with water, bentonite expands and forms a gel-like substance, making it highly effective in sealing, binding, and absorption applications.

Category:

Global Bentonite Exporter & Supplier of High-Quality Bentonite Clay

We are a leading exporter and supplier of premium-grade bentonite, delivering consistent, high-performance material to drilling, foundry, construction, agriculture, and industrial sectors worldwide.

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

What is Bentonite? A Highly Absorbent Natural Clay

Bentonite is a naturally occurring clay composed primarily of montmorillonite, a type of smectite mineral known for its exceptional swelling and absorption properties.

It forms from volcanic ash deposits that have undergone weathering over millions of years. When mixed with water, bentonite expands and forms a gel-like substance, making it highly effective in sealing, binding, and absorption applications.

Key Physical & Chemical Properties of Bentonite

Bentonite offers a unique combination of properties:

  • High swelling capacity
  • Excellent water absorption
  • High plasticity and viscosity
  • Strong binding properties
  • Low permeability (excellent sealing ability)
  • Chemical stability
  • Thixotropic behavior (flows when stirred, gels when static)

These properties make bentonite indispensable across multiple industries.

Types of Bentonite We Export

We supply a wide range of bentonite grades tailored to industrial applications:

  1. Sodium Bentonite

Highly swelling bentonite with superior absorption capacity.

Key Features:

  • High swelling index
  • Excellent sealing properties
  • Strong binding ability

Applications:
Drilling mud, waterproofing, sealing

  1. Calcium Bentonite

Lower swelling but high absorption bentonite.

Key Features:

  • Good adsorption properties
  • Cost-effective

Applications:
Cat litter, absorbents, agriculture

  1. Drilling Grade Bentonite

Specially processed for oil & gas drilling.

Key Features:

  • High viscosity
  • Excellent suspension properties
  • Stable under pressure

Applications:
Oil well drilling, borehole drilling

  1. Foundry Grade Bentonite

Used in metal casting.

Key Features:

  • Strong bonding properties
  • Thermal stability

Applications:
Molding sand in foundries

  1. Pelletizing Grade Bentonite

Used in iron ore pellet production.

Key Features:

  • High binding strength
  • Improves pellet durability
  1. Bentonite Powder

Finely processed bentonite for industrial use.

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

  1. Activated Bentonite

Chemically treated for enhanced adsorption.

Applications:
Oil purification, bleaching, filtration

Chemical Composition & Technical Specifications

We supply bentonite with strict quality parameters:

  • Montmorillonite Content: 70% – 90%
  • Silica (SiO₂): 50% – 65%
  • Alumina (Al₂O₃): 15% – 25%
  • Calcium Oxide (CaO): Controlled
  • Magnesium Oxide (MgO): Controlled
  • pH Value: 8 – 10
  • Moisture Content: < 12%
  • Swelling Index: High

Each batch is tested for consistency and performance.

Bentonite Mining, Processing & Activation

Our bentonite undergoes a precise processing cycle:

  1. Mining & Extraction

Extracted from bentonite-rich deposits.

  1. Drying

Reduces moisture content.

  1. Crushing & Grinding

Processed into fine powder.

  1. Activation (if required)

Chemical treatment to enhance adsorption properties.

  1. Screening & Classification

Ensures uniform particle size.

  1. Quality Testing

Evaluates swelling, viscosity, and purity.

  1. Packaging & Export

Prepared for global shipment.

Industrial Applications of Bentonite

Bentonite is one of the most versatile industrial minerals:

Oil & Gas Drilling

Used as drilling mud to cool and lubricate drill bits.

Foundry Industry

Used as a binder in molding sand for metal casting.

Construction & Civil Engineering

Used for waterproofing, sealing, and ground stabilization.

Iron Ore Pelletizing

Used as a binder in pellet production.

Agriculture

Improves soil moisture retention and nutrient availability.

Environmental Applications

Used in waste containment and landfill sealing.

Oil Refining & Edible Oil Processing

Used for purification and bleaching.

Pet Products

Used in cat litter due to high absorption.

Global Market Trends & Demand

Bentonite demand is growing across multiple industries.

Major Importing Countries:

  • USA
  • China
  • UAE
  • Germany
  • Japan

Market Drivers:

  • Expansion of oil & gas drilling
  • Growth in construction and infrastructure
  • Increasing demand for environmental protection
  • Rising use in foundry and pelletizing industries

Why Choose Us as Your Bentonite Export Partner?

In a market that demands performance under pressure, we deliver reliability that holds.

High-Quality Bentonite

Consistent swelling, viscosity, and purity.

Reliable Supply Chain

Strong sourcing ensures uninterrupted availability.

Advanced Processing Technology

Ensures uniform quality and grading.

Custom Specifications

Tailored grades and mesh sizes.

Global Export Expertise

Efficient logistics and documentation.

Competitive Pricing

Cost-effective bulk supply solutions.

Packaging, Shipping & Export Capabilities

We offer flexible packaging options:

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

Ports: Major Indian ports
Delivery: Worldwide logistics support

Sustainability & Environmental Benefits

Bentonite is an eco-friendly mineral:

  • Non-toxic and natural
  • Recyclable in many applications
  • Supports environmental protection systems

Industries We Serve

  • Oil & gas companies
  • Foundries
  • Construction companies
  • Agricultural sector
  • Environmental management companies
  • Manufacturing industries

Contact Us for Bulk Bentonite Supply

If you are looking for a reliable bentonite 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: (Na,Ca)₀.₃₃(Al,Mg)₂(Si₄O₁₀)(OH)₂·nH₂O
Color: Cream, gray, light brown

Chemical Composition Guaranteed Specification
Montmorillonite 70-85%
SiO₂ 50-65%
Al₂O₃ 15-23%
CaO 1-5% (Calcium Type)
Na₂O 2-4% (Sodium Type)
Fe₂O₃ 2-5%
Physical Composition
Mesh 200 mesh (90% passing)
Swelling Index 15-30 ml/2g
Moisture 10-12%
Viscosity (API) 30 cps min (Drilling Grade)
Fluid Loss 15 ml max (API)

Acid Reactivity: Stable in neutral to alkaline conditions; partially soluble in strong acids

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