Type: [TBC: sodium or calcium bentonite]
Our highest-grade bentonite granules with 88%+ montmorillonite — superior water retention, exceptional moldability, and maximum binding strength for foundry, drilling, and waterproofing.
With 88%+ montmorillonite content, Radhe Enterprise black ball granules are the highest-specification bentonite product in our portfolio. The naturally elevated organic content gives these granules their distinctive dark colour and superior performance characteristics.
Request a quotation for bulk orders. Custom packing available for retailers, distributors, and private-label brands. Minimum order: [TBC: MOQ].
Packing Options
Sodium bentonite swells many times its size in water and forms a seal or gel; calcium bentonite barely swells and is valued as an absorbent carrier. That one property decides who buys each grade.
| Sodium bentonite | Calcium bentonite | |
|---|---|---|
| Key behaviour | Swells strongly, forms gel and low-permeability seal | Low swell, high absorbency, holds liquids |
| Granule uses | Pond, lake and canal sealing; borehole and well annulus sealing; landfill and geosynthetic clay liners; clumping cat litter | Carrier granules for pesticides, bio-fertilizers and micronutrients (10x20, 16x35 mesh); soil conditioner; non-clumping litter; oil and spill absorbent |
| Powder uses | Drilling mud (oil, water well, HDD); iron ore pelletizing binder (75 micron); foundry green sand; sulphur-bentonite fertilizer (90:10); diaphragm wall and piling slurry; wine and juice fining | Fertilizer granulation binder; bleaching earth after acid activation (edible oil refining); ceramics; cosmetics and face packs |
| Main buyers | Drilling contractors, steel and pellet plants, foundries, cat litter brands, pond and landfill contractors, GCL makers, sulphur fertilizer makers | Agrochemical and bio-fertilizer formulators, NPK plants, oil refineries, ceramic and cosmetic makers |
| Tests buyers ask for | Swell index (ml/2g), gel/viscosity, fluid loss, moisture, mesh | Absorption (oil/water), crush strength, mesh, moisture, pH, dust |
Much “sodium bentonite” sold in India is calcium bentonite treated with soda ash (activated sodium). Ask for the swell index (ml/2g) and whether a grade is natural or activated before you order.
Read the full guide: sodium vs calcium bentonite powderGet the best bulk manufacturing rates. Fast response guaranteed.
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Premium industrial-grade bentonite red ball granules with 85%+ montmorillonite and 24–30 ml/2g swell index — the go-to choice for drilling fluids, foundry sand bonding, and civil engineering across India.
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Premium seaweed-enriched bentonite granules with 8–12% seaweed extract — natural plant growth hormones, trace minerals, and stress resistance for high-value crops.
Radhe Enterprise Bentonite Black Ball Granules are our premium grade with 88%+ montmorillonite — the highest in our range. The elevated organic content delivers superior binding, plasticity, and water retention that demanding industrial applications require. Factory-direct from Bhavnagar, Gujarat means consistent quality at the best price.
Black ball granules are produced from select high-organic bentonite mine faces in Gujarat. The ore undergoes controlled drying, fine grinding, and precision pan granulation to achieve consistent 8–16 mesh sizing. Each batch is tested for montmorillonite content, CEC, swell index, moisture, and bulk density before packing in industrial-grade moisture-resistant bags.
Choosing the right Bentonite Black Ball Granules for your operation means matching technical fit, total landed cost, and how the material behaves after transport and storage. Start by confirming the end use: industrial buyers should validate sieve analysis, moisture, swell where relevant, and any certificate expectations from your customer or plant QA. Retail and distributor buyers should prioritize dust profile, odor control, bag integrity, and consistent granule size so shelf display and consumer experience stay predictable. Ask your supplier for lot traceability, typical moisture at dispatch, and recommended storage away from direct rain and standing water. Compare factory-direct terms versus trader stock: direct manufacturing often improves freshness, specification control, and packaging options for private label. Review bulk discounts and whether jumbo or retail pack sizes align with your logistics. Finally, pilot a smaller batch before scaling annual contracts so you can validate performance on your line or in your channel without committing full volume upfront. Radhe Enterprise supports technical questions and can align grades to your process once you share application details and delivery geography.
High-performance foundry green sand molding is a core use case where Bentonite Black Ball Granules delivers measurable results. Buyers evaluating Bentonite Black Ball Granules for this application typically assess how the material performs under their specific operating conditions — whether in a production line, field application, or end-user environment. Radhe Enterprise manufactures with batch-level quality control, so you get consistent specifications and performance every time. If your application requires adjustments to particle size, moisture content, or packing, share your requirements during inquiry so we can match the product to your exact needs.
Oil well drilling mud preparation is a core use case where Bentonite Black Ball Granules delivers measurable results. Buyers evaluating Bentonite Black Ball Granules for this application typically assess how the material performs under their specific operating conditions — whether in a production line, field application, or end-user environment. Radhe Enterprise manufactures with batch-level quality control, so you get consistent specifications and performance every time. If your application requires adjustments to particle size, moisture content, or packing, share your requirements during inquiry so we can match the product to your exact needs.
Construction waterproofing compounds is a core use case where Bentonite Black Ball Granules delivers measurable results. Buyers evaluating Bentonite Black Ball Granules for this application typically assess how the material performs under their specific operating conditions — whether in a production line, field application, or end-user environment. Radhe Enterprise manufactures with batch-level quality control, so you get consistent specifications and performance every time. If your application requires adjustments to particle size, moisture content, or packing, share your requirements during inquiry so we can match the product to your exact needs.
Iron ore pelletizing binder is a core use case where Bentonite Black Ball Granules delivers measurable results. Buyers evaluating Bentonite Black Ball Granules for this application typically assess how the material performs under their specific operating conditions — whether in a production line, field application, or end-user environment. Radhe Enterprise manufactures with batch-level quality control, so you get consistent specifications and performance every time. If your application requires adjustments to particle size, moisture content, or packing, share your requirements during inquiry so we can match the product to your exact needs.
Civil engineering sealing and grouting is a core use case where Bentonite Black Ball Granules delivers measurable results. Buyers evaluating Bentonite Black Ball Granules for this application typically assess how the material performs under their specific operating conditions — whether in a production line, field application, or end-user environment. Radhe Enterprise manufactures with batch-level quality control, so you get consistent specifications and performance every time. If your application requires adjustments to particle size, moisture content, or packing, share your requirements during inquiry so we can match the product to your exact needs.
Specialty industrial absorbents is a core use case where Bentonite Black Ball Granules delivers measurable results. Buyers evaluating Bentonite Black Ball Granules for this application typically assess how the material performs under their specific operating conditions — whether in a production line, field application, or end-user environment. Radhe Enterprise manufactures with batch-level quality control, so you get consistent specifications and performance every time. If your application requires adjustments to particle size, moisture content, or packing, share your requirements during inquiry so we can match the product to your exact needs.
Bentonite Black Ball Granules competes with generic ball clays and ungraded mineral chips that may look similar visually but diverge in crush strength, moisture, and chemistry. Construction-only fillers can fail in foundry or process applications where thermal behavior and fines content drive defects. Specifying screened granules from a manufacturer reduces downstream variability versus ad hoc local sourcing.
Black ball granules have higher montmorillonite content (88%+ vs 85%+ in red ball), elevated organic content, and superior cation exchange capacity (60–90 meq/100g). This gives them better binding strength, higher plasticity, and greater water retention — making them the preferred choice for demanding foundry casting, iron ore pelletizing, and waterproofing applications where maximum performance is required.
Yes, bentonite black ball granules are excellent for waterproofing applications. Their high swelling capacity (15–25 ml/2g) allows them to expand and fill gaps when hydrated, creating an effective water barrier. They are widely used in construction waterproofing compounds, foundation sealing, tunnel lining, and underground structure protection.
The minimum order quantity is [TBC: MOQ] for trial orders. For regular bulk supply, we recommend 10 MT or more to get the best factory-direct pricing. We supply in 25 kg bags, 50 kg bags, and 1 MT jumbo bags based on your handling and storage requirements.
Black ball granules serve multiple industries: foundries (for high-quality green sand molds), oil and gas drilling (for drilling mud with superior viscosity), construction (for waterproofing and sealing compounds), mining (for iron ore pelletizing), and civil engineering (for grouting and diaphragm wall construction). Their versatility comes from exceptional plasticity and chemical stability.
Radhe Enterprise manufactures Bentonite Black Ball Granules at our production facility in Thordi, Bhavnagar, Gujarat — an established bentonite and mineral processing area. Our strategic location near major ports and raw material sources allows us to offer:
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