BENTONITE
High-Performance Industrial Bentonite from Kutch, Gujarat, India.
Bentonite Manufacturer And Supplier In India – Uma International Tradelink
Bentonite Powder | Bentonite Lumps | Bentonite Chips | Bentonite Granules | Sodium Bentonite | Calcium Bentonite | API Bentonite | Bentonite Exporter from Kutch, Gujarat
High-Purity Bentonite for Industrial Applications
Bentonite is a highly versatile clay mineral rich in montmorillonite, known for its strong swelling, binding, sealing, and absorption properties.
UMA INTERNATIONAL TRADELINK supplies Sodium and Calcium Bentonite sourced and processed from the mineral-rich Kutch region of Gujarat, India, for drilling, foundry, civil engineering, construction, agriculture, and other industrial applications worldwide.
As the export arm of UMA Group of Companies, we connect the group’s mineral-processing capabilities with international buyers, supporting consistent quality, reliable supply, customized grades, and our export quality standards.
| Parameters | Industrial Grade | Premium Grade |
|---|---|---|
| Montmorillonite Content | 75% Min | 90% Min |
| Free Swelling Value | 25 ml – 27 ml | 30 ml – 35 ml |
| pH Value | 9.0 Min | 9.5 – 10.5 |
| Moisture Content | 12% – 15% Max | 10% – 12% Max |
| Gelling Index | 50% Min | 85% – 90% |
| Mesh Size (Passing 200) | 75% Min | 85% Minimum |
Processed Bentonite Forms
Premium processed Bentonite supplied in purpose-specific forms for industrial processing, civil engineering, agriculture, drilling, sealing, absorbent, and specialty applications.
PowderBentonite Powder
200–300 MeshFine 200–300 mesh processed Bentonite powder designed for easy dispersion, strong binding, and stable suspension in industrial formulations. Its fine particle size supports consistent blending and controlled performance in applications where smooth handling and dependable functional behavior are important. The powder provides high dispersion, strong binding capacity, and consistent blend quality. It is suitable for paints and adhesives, chemical suspension systems, industrial briquettes, and clay blends where controlled processing performance is required.
- Fine particle size
- High dispersion
- Strong binding capacity
- Consistent blend quality
- Paints & adhesives
- Chemical suspension agent
- Industrial briquettes
- Clay blends
Sodium BentoniteSodium Bentonite
High SwellingHigh-swelling natural Sodium Bentonite that can expand up to 15–20 times its dry volume, creating a dense, low-permeability barrier. Its strong swelling, sealing, and self-sealing behavior make it suitable for applications where water control and containment are important. The material provides excellent swelling, natural waterproofing, low permeability, and reliable sealing performance. It is used for landfill liners, borehole stabilization, dam and pond sealing, and geosynthetic clay liner applications.
- Excellent swelling
- Natural waterproofing
- Low permeability
- Self-sealing action
- Landfill liners
- Borehole stabilization
- Dam & pond sealing
- GCL liners
Calcium BentoniteCalcium Bentonite
Absorbent ClayHighly absorbent calcium-based Bentonite with strong ion-exchange characteristics and a fine processed texture. Its absorption and purification properties make it useful where moisture uptake, carrier performance, or clay functionality is required. The grade provides strong absorption, ion-exchange behavior, purification support, and a fine processed texture. Typical applications include edible oil refining, pesticide carrier systems, animal feed detoxification, and selected cosmetic and pharmaceutical clay formulations.
- Strong absorption
- Ion-exchange properties
- Purification support
- Fine processed texture
- Edible oil refining
- Pesticide carrier
- Animal feed detoxification
- Cosmetic & pharma clay
GranulesBentonite Granules
Dust-FreeDust-free processed Bentonite granules manufactured with controlled absorption and consistent sizing for dependable handling and performance. The uniform granule form helps reduce dust during handling while supporting predictable absorption and convenient packaging. These properties make the material practical for applications where particle consistency and moisture control are important. Typical uses include cat litter, fertilizer carrier systems, soil conditioning, and moisture-absorbent products.
- Low dust handling
- Controlled absorption
- Uniform granule size
- Easy packaging
- Cat litter
- Fertilizer carrier
- Soil conditioner
- Moisture absorbent
Specialty ClayAttapulgite Clay
Saltwater ResistantSaltwater-resistant magnesium-aluminum silicate clay valued for suspension stability, viscosity support, and performance in saline environments. Its specialty mineral structure helps maintain suspension behavior where conventional clays may be less suitable under saltwater conditions. The material provides saltwater resistance, stable suspension, and viscosity support for specialized formulations. Applications include offshore drilling mud, fertilizer suspension systems, and selected pharmaceutical uses where specialty clay performance is required.
- Saltwater resistance
- Stable suspension
- Viscosity support
- Specialty industrial performance
- Offshore drilling mud
- Pharmaceuticals
- Fertilizer suspension
Bentonite Grades for Global Industries
Application-specific Bentonite grades for drilling, metal casting, civil works, consumer products, pharmaceutical, agriculture, and animal care industries.
A. Drilling & Boring Grades
Specialized Bentonite grades for viscosity control, borehole stability, slurry support, and trenchless drilling operations.
API 13AAPI Bentonite
API 13A compliant Sodium Bentonite formulated for dependable performance in oil and gas drilling operations. Its viscosity control and borehole sealing properties support stable drilling fluids under demanding operating conditions. The grade is selected for reliable slurry behavior, thermal stability, and effective wellbore support. It is suitable for oil and gas exploration, geothermal drilling, and offshore well operations where drilling-fluid performance is critical.
- Viscosity control
- Borehole sealing
- Thermal stability
- Oil & gas exploration
- Geothermal drilling
- Offshore wells
TrenchlessHDD & Micro Tunnelling Bentonite
Polymer-enhanced Bentonite formulated for trenchless drilling applications where low friction and effective cuttings suspension are important. Its controlled slurry behavior helps support smoother drilling and efficient removal of excavated material during underground construction. The grade is designed for stable performance in demanding trenchless operations and helps improve drilling fluid handling. Typical applications include horizontal directional drilling, cable laying, sewer projects, and pipeline installation.
- Low friction
- Maximum cuttings suspension
- HDD
- Cable laying
- Sewer & pipeline projects
Civil SlurryPiling & Boring Bentonite
High-yield Bentonite slurry clay developed for foundation, piling, boring, and related civil engineering work. Its slurry performance supports soil stabilization, water control, and borehole stability during demanding ground-engineering operations. The material is suited to projects where reliable slurry behavior and controlled excavation conditions are important. Typical applications include bridge foundations, diaphragm walls, piling, boring, and other civil construction activities.
- Soil stabilization
- Water control
- Bridge foundations
- Diaphragm walls
- Civil construction
B. Industrial & Metal Grades
Binding solutions for foundry sand systems, metal casting, iron ore pelletization, and steel plant applications.
FoundryFoundry Bentonite
High-performance Bentonite binder developed for green sand metal casting systems. Its binding performance helps provide high compression strength and thermal durability, supporting stable mould quality during casting operations. The grade is intended to support consistent sand mould behavior and dependable casting performance under repeated thermal conditions. Typical applications include iron and steel foundries, automotive casting operations, and machinery mould production.
- High compression strength
- Thermal durability
- Iron & steel foundries
- Auto casting
- Machinery molds
Pellet BinderIron Ore Pelletization Bentonite
Bentonite binder designed to improve strength and quality during iron ore pellet production. Its binding performance supports the formation of strong, stable pellets while maintaining a focus on low alumina impurities. The material is selected to support consistent pellet formation and dependable processing performance in steel-making raw material preparation. It is intended for steel plants and iron ore processing operations where pellet strength and binder efficiency are important.
- Strong pellets
- Low alumina impurities
- Steel plants
- Iron ore processing
C. Civil & Engineering Grades
Natural clay solutions for electrical grounding, waterproofing, environmental containment, and civil engineering projects.
EarthingEarthing Bentonite
Conductive Bentonite clay used to support reliable electrical grounding performance through moisture retention and corrosion protection. Its moisture-holding properties help maintain suitable contact around grounding electrodes and support stable grounding conditions over time. The material is suited to electrical installations where dependable grounding and soil contact are required. Typical applications include electrical substations, lightning protection systems, data centers, and other grounding installations.
- Moisture retention
- Corrosion protection
- Substations
- Lightning protection
- Data centers
WaterproofingPond Sealing & GCL Bentonite
Natural swelling Bentonite used as a low-permeability liner material for waterproofing, containment, and environmental protection applications. Its self-healing sealing behavior helps close small gaps and maintain an effective barrier when properly installed. The material also provides chemical resistance for demanding containment environments. Typical applications include landfills, dams, lakes, canals, ponds, and geosynthetic clay liner systems where water retention and containment are required.
- Self-healing seal
- Chemical resistance
- Landfills
- Dams
- Lakes & canals
D. Consumer & Pharmaceutical Grades
Carefully processed absorbent and purified clay grades for pet care, cosmetics, personal care, and pharmaceutical manufacturing.
Pet CareCat Litter Bentonite
Fast-clumping absorbent Bentonite granules designed for efficient moisture absorption, odor control, and convenient cleaning. The granulated structure supports rapid liquid uptake and practical handling in consumer pet-care products. Its clumping behavior helps form manageable waste units while reducing cleanup effort during routine use. The material is primarily used for cat litter and related pet-care applications where absorption, odor control, and easy maintenance are important.
- Odor control
- Easy cleaning
- Pet care products
PurifiedPharmaceutical & Cosmetic Bentonite
Ultra-purified USP/NF grade Bentonite intended for selected pharmaceutical and cosmetic formulations where purified clay performance is required. Its functional properties support detoxification and tablet-binding applications while providing a controlled processed material. The grade is suited to formulations that require consistent purity and specialized clay functionality. Applications include face masks, toothpaste, sunscreens, tablet manufacturing, and other selected personal-care or pharmaceutical products.
- Detoxification
- Tablet binding
- Face masks
- Toothpaste
- Sunscreens
- Tablet manufacturing
E. Agricultural & Animal Care
Absorbent Bentonite grades supporting livestock feed safety, pellet quality, toxin binding, and animal nutrition applications.
Feed GradeAnimal Feed Bentonite
Absorbent Bentonite used as a toxin binder and pellet-strength aid in livestock and animal nutrition applications. Its functional properties support aflatoxin control and help improve pellet strength during feed processing and handling. The material is intended for applications where controlled absorption and feed-processing performance are important. Typical uses include poultry feed, dairy nutrition, and aquafeed formulations where reliable binder and adsorbent performance is required.
- Aflatoxin control
- Improved pellet strength
- Poultry feed
- Dairy nutrition
- Aquafeed
Quality Assurance & Logistics
All Bentonite products from Uma International Tradelink undergo strict quality testing to meet API and industrial standards.
- Packaging: 25kg / 50kg PP Bags & Jumbo Bags
- Lead Time: 10–15 Days
- Origin: Kutch, Gujarat, India

Ready to place an order or need a custom quote?
Contact us at info@umainternationaltradelink.com or +91 9773146730. We ship globally and are here to support your project every step of the way.
Email Inquiry Call Now