Bentonite Clay Powder Supplier in India
Top Bentonite Exporter from India
Bentonite is a naturally occurring clay mineral formed from the weathering of volcanic ash, composed primarily of montmorillonite. It is widely valued across industries for its high swelling capacity, strong binding properties, colloidal behavior, and excellent water absorption. Bentonite is used as a functional additive, sealant, and processing aid in a wide range of industrial, agricultural, and cosmetic applications.
HTMC Group is a leading bentonite powder manufacturer in India, supplying premium-grade bentonite clay to industries across the country and internationally.As a trusted Bentonite supplier in India and a recognized Top Bentonite Exporter from India, we process every batch through strict quality controls to deliver consistent purity, controlled particle size and reliable performance for each application. Our advanced manufacturing facilities and technical expertise allow us to serve the drilling, foundry, construction, agriculture, pharmaceuticals and personal care sectors worldwide.
Enquire NowBentonite Manufacturing Process Overview
The production of bentonite at HTMC Group follows a precise, multi-step process at our dedicated Bentonite Processing Plant, designed to deliver uniform quality and high purity in every batch.
1. Mining and Raw Material Extraction
Bentonite deposits are identified through detailed geological surveys and site sampling in mineral-rich regions of Gujarat and Rajasthan. Once a deposit is confirmed, open-pit mining methods are used to extract the raw bentonite ore, using environmentally sustainable and mechanized techniques.
2. Drying of Raw Ore
The extracted bentonite ore is carefully dried to reduce its natural moisture content before further processing. Depending on the production requirements, drying may be carried out using natural sunlight or advanced rotary dryers. This controlled process helps achieve consistent moisture levels, ensuring efficient grinding, improved product quality, and reliable performance in industrial applications.
3. Crushing and Milling
The dried bentonite is crushed using primary jaw crushers and then pulverized using advanced Raymond mills and roller mills. Fineness is adjusted according to end-use requirements, ranging from 100 to 325 mesh sizes.
4. Activation (Sodium Bentonite Processing)
For applications requiring higher swelling and viscosity, natural calcium bentonite is chemically treated with soda ash (Na2CO3) to convert it into high-performance sodium bentonite. This activation process significantly improves gel strength, thixotropy, and water absorption.
5. Screening and Classification
Processed bentonite passes through high-efficiency vibratory screens to guarantee consistent particle size distribution and eliminate impurities. Multiple grades are produced at this stage to suit different industrial requirements.
6. Quality Control, Testing and Packaging
In-house laboratories test every batch for montmorillonite content, swelling index, pH, cation exchange capacity, and free silica. Each batch undergoes rigorous QA/QC procedures under ISO-certified standards before being packed in 25 kg / 50 kg bags, paper bags, or 1-ton jumbo bags for domestic and export distribution.
Applications and Uses of Bentonite Clay
Oil and Gas Drilling: Sodium bentonite is widely used in water-based drilling fluids to stabilize boreholes, carry drill cuttings to the surface, lubricate drilling equipment, and reduce fluid loss during drilling operations.
Foundry and Metal Casting: As a binder in sand moulding, bentonite provides the green and dry compression strength required for consistent, high-quality castings, with good flowability and reduced rejection rates.
Iron Ore Pelletizing Bentonite acts as a binder in the pelletizing of iron ore fines, helping to form strong, uniform pellets that withstand handling and thermal stress during the iron-making process.
Construction and Civil Engineering: Bentonite for construction is used extensively in diaphragm walls, piling, tunnelling and horizontal directional drilling as a support and lubricating slurry, as well as in waterproofing systems and geosynthetic clay liners for landfill and containment projects.
Agriculture: : In agriculture, bentonite is used as a soil conditioner to improve water and nutrient retention, and as a carrier and binder in the production of granular fertilisers and pesticides.
Water and Wastewater Treatment: Owing to its ion exchange and flocculation properties, bentonite is used to clarify water, remove impurities and support sedimentation processes in municipal and industrial water treatment.
Paper, Paints and Food Grade Applications: Bentonite improves pulp conversion and paper quality, acts as a viscosity control agent in paints and coatings, and food grade bentonite clayis used as a clarifying and fining agent in the production of wine, beer, vinegar and edible oils.
Bentonite Clay for Personal Care and Wellness
Beyond its industrial applications, calcium bentonite clay has become widely popular in the personal care and wellness space. HTMC Group supplies fine-grade bentonite clay powder suited for these uses as well, reflecting the many benefits of bentonite clay and its wide range of bentonite clay uses across skin, hair, oral care, and detox routines.
Bentonite clay for skin is valued for its ability to draw out excess oil and impurities from the pores, making it a common ingredient in cleansers, masks, and detox-based skincare formulations. This same property makes a bentonite clay face mask one of the most popular personal care applications of the clay; when mixed with water, it forms a smooth paste that gradually tightens as it dries, absorbing impurities and leaving the skin feeling clean and refreshed.
The same absorbent quality extends to hair care, where bentonite clay for hair is used in clarifying masks and treatments to lift product buildup and excess oil from the scalp, leaving hair feeling lighter and more manageable. In oral care, bentonite clay for teeth is used in some natural formulations, where its mild abrasive texture and mineral-absorbing nature support gentle, chemical-free cleansing routines.
For those exploring bentonite clay for internal use, select wellness formulations use food-grade bentonite clay for detox-focused products, relying on its natural absorption properties. Anyone considering this route should always look for the best bentonite clay for internal use that is specifically tested and certified as food-grade and should follow professional guidance on how to use bentonite clay safely for this purpose.
Technical Specifications of Bentonite
| Parameter | Typical Range / Value | Description |
|---|---|---|
| Appearance | Off-white to Light Grey / Cream Powder | Indicates grade and mineral purity |
| Montmorillonite Content | 75% – 90% | Determines swelling and binding performance |
| Moisture Content | 8% – 14% | Affects grinding, activation, and shelf life |
| pH (5% Aqueous Suspension) | 8.5 – 10.5 | Indicates the level of sodium activation |
| Swelling Index | 8 – 24 ml/2g | Key parameter for drilling and construction applications |
| Cation Exchange Capacity (CEC) | 60 – 100 meq/100g | Reflects clay reactivity and absorption capacity |
| Free Silica | Less than 1% (Customizable) | Important for foundry and industrial safety standards |
| Particle Size | 100 – 325 Mesh | Determines suitability for various industrial applications |
| Specific Gravity | 2.4 – 2.7 g/cc | Important physical handling parameter |
| Bulk Density | 0.7 – 1.0 g/cm3 | Influences packaging, storage, and logistics |
Product Packing Details
HTMC Group, a dependable bentonite bulk supplier, provides bentonite powder in safe, durable packaging to maintain product quality throughout storage and transit.
- Package Sizes: 25 kg / 50 kg bags
- Package Type: PP/HDPE bags and multi-layer paper bags with moisture-resistant lining
- Bulk Supply: Available in 500 kg and 1-ton jumbo bags, with custom packaging available on request
- All packaging is dust-controlled and clearly labeled with the product grade, batch number, and manufacturing details.
Safe Handling and Storage
To maintain the purity and performance of bentonite, store it in a clean, dry, and well-ventilated area away from direct sunlight and moisture. Ensure the packaging is securely sealed after each use to prevent moisture absorption, which can affect swelling performance. When handling bentonite powder, wear appropriate personal protective equipment (PPE), including a dust mask and gloves, to minimize exposure to airborne particles. Avoid contact with strong acids or reactive chemicals during storage and processing.
Other Industries We Cater
- Oil and Gas Drilling
- Iron Ore Pelletization
- Paper Industry
- Water Treatment
- Electrical Earthing
- Cosmetics and Personal Care
- Animal Feed
- Geosynthetic Clay Liners (GCL)
Other Industries We Cater
Detergents
Fertilizers
Ceramics
Paints and Coatings
Pharmaceuticals
Paper and Pulp
Rubber Industry
Fertilizers
Why Choose HTMC Group as Your Bentonite Manufacturer
HTMC Group has built a strong reputation as one of the most reliable Bentonite Manufacturers, backed by years of mining expertise, in-house processing facilities, and a strict quality assurance framework.
AAs experienced bentonite clay manufacturers, we maintain strict process controls at every stage, from raw material selection to final packaging. Our facilities operate under ISO-certified quality management systems, and each batch is tested against defined specifications before dispatch. We offer both variants as a sodium bentonite supplier for drilling, foundry, and construction applications, and as a bentonite clay supplier for agriculture, cosmetics, and food-grade applications.
With an extensive network of Bentonite Powder distributors and Bentonite Distributors across regions, HTMC Group has become a trusted bentonite exporter from India to more than 25 countries. As a leading bentonite powder supplier, we support new customers with product samples, technical data sheets, and application guidance, making it easier to integrate our bentonite into existing processes before committing to bulk orders. Whether you are looking for a bentonite supplier for a single container or a long-term bulk supply partnership, HTMC Group delivers with consistency, sustainability, and commitment.
Frequently Asked Questions
Bentonite is a natural clay mineral formed from weathered volcanic ash, composed primarily of montmorillonite. Its exact composition can vary depending on the mining region, but it is universally known for its high swelling capacity and absorption properties.
Sodium Bentonite offers a high swelling capacity, excellent water absorption, and strong sealing properties, making it ideal for drilling fluids, foundry applications, construction, and civil engineering projects. Calcium Bentonite, on the other hand, has lower swelling capacity but excellent adsorption properties, making it suitable for agriculture, environmental applications, cosmetics, and certain industrial uses.
Food grade bentonite clay, when sourced from a certified supplier and used in recommended quantities, is generally considered safe for internal detox use. It is always advisable to consult a healthcare professional before internal consumption.
As leading Bentonite Manufacturers, HTMC Group supplies bentonite clay to the drilling, foundry, construction, agriculture, animal feed, pharmaceuticals, cosmetics, and environmental sectors, both in India and internationally.
Yes. HTMC Group is a recognized Top Bentonite Exporter from India, supplying bentonite to buyers across Asia, the Middle East, Africa and Europe with complete export documentation and logistic support.
HTMC Group operates under ISO-certified quality management systems and holds multiple internationally recognized certifications, including ISO, DUNS, FSSAI, BRC, Halal, FDA, and Kosher. Every batch is tested rigorously before dispatch to ensure it meets agreed specifications.
Powder mesh available
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Packing Available
25kg Packing Bag
50kg Packing Bag
500/100kg Jumbo Packing Bag
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