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Types of Bentonite
There are 2 types of bentonite, namely sodium and calcium.
Sodium bentonite
- High swelling potential
- Used in foundries, oil drilling, piling, civil work, animal pellets(granules)
- Also used in the pharmaceutical industry and in industrial fire extinguishers
- This is a selectively mined and processed type of Bentonite used for the purification of water, specially in precipitating and removal of dissolved solids & other effluents. This has a higher viscosity and absorbing capacity.
Calcium Bentonite
- Low swelling potential
- Calcium bentonite is also known as Fuller’s earth
- Also used in the pharmaceutical industry and in industrial fire extinguishers
- It is used in foundries, for preparing insulation materials and as animal feed.
High-Grade Bentonite
for Every Industry
TSG Bfound
TSG PilePro
TSG DrillSeal
TSG CatCare
Engineered for Critical Applications
Foundry
Cat Litter
Animal Feed
Fertilizer
Oil Drilling
Iron Ore Pelletisation
Piling
Filtration
Customizable
Product Forms
Lumps
Powder
Seamless Bentonite Clay Global Supply Chain
Why Choose The Sharad Group?
a commitment to operational excellence.

64 Years
in Mining and Mineral Processing

300+ Million Tons
of Reserves

Multi-Mineral Solutions
for Ceramics, Glass, and various industries.

State-of-the-art Technology
for Mineral Processing.
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Frequently Asked Questions
1. What is bentonite clay, and what are its primary uses? +
Bentonite clay is a natural volcanic ash-derived clay, primarily composed of montmorillonite, known for its swelling, adsorption, and binding properties. It’s widely used in:
- Foundries for sand bonding.
- Construction for pile sealing and waterproofing.
- Drilling, because it offers mud viscosity and helps with borehole stabilization.
- Agriculture, because it ensures beneficial soil conditioning.
- Pet care, since it enhances cat litter absorbency.
2. What bentonite grades does The Sharad Group offer? +
At The Sharad Group, we supply four specialized grades:
- TSG Bfound: High-bonding bentonite for foundry molds.
- TSG PilePro: Construction-grade for pile foundations and sealing.
- TSG DrillSeal: Sodium bentonite for drilling fluid stabilization.
- TSG CatCare: Ultra-absorbent calcium bentonite for pet litter.
3. Why choose TSG DrillSeal for drilling applications? +
TSG DrillSeal is a sodium bentonite grade with superior swelling capacity (up to 15x its volume). This ensures that it has several applications, such as:
- Borehole stability by forming impermeable mud cakes.
- Cuttings removal via high-viscosity gel.
- Lubrication for drill bits.
4. How does TSG Bfound enhance foundry operations? +
At The Sharad Group, our Bfound Bentonite offers:
- High plasticity for precise mold shaping.
- Thermal stability to withstand molten metal temperatures.
- Low sand burnout, reducing casting defects.
5. Can TSG PilePro be used for waterproofing construction projects? +
Yes! TSG PilePro is engineered for:
- Soil stabilization in foundations.
- Waterproofing trenches and tunnels.
- Swelling pressure to seal gaps in piles.
6. Is TSG CatCare eco-friendly for pet litter? +
Absolutely. TSG CatCare is a non-toxic, calcium bentonite clay that offers:
- Clumping action for easy waste removal.
- Odour control via high adsorption.
- Low-dust formulation for pet safety.
7. Does The Sharad Group provide bentonite for agriculture? +
Yes, at The Sharad Group, we offer custom solutions for agriculture, including:
- Sodium bentonite, which increases soil water retention.
- Calcium bentonite for nutrient binding.
8. What makes The Sharad Group a trusted bentonite supplier? +
At The Sharad Group, we use our 60+ years of experience in mining and 300M+ tons of reserves to guarantee:
- Grade-specific purity (tested for montmorillonite content).
- Bulk supply with pan-India logistics.
- Sustainable mining in Gujarat’s rich deposits.