Sodium Bentonite Powder
Last update: 1 Nov 2026
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MOQ 28 Ton · Seller will confirm final rate · Last update: 1 Nov 2026
Sodium Bentonite is a natural montmorillonite clay known for its high swelling capacity, strong water absorption, and excellent binding properties when hydrated. Key Characteristics & Applications High Swelling Capacity: Expands up to 15–18 times its dry volume in water, forming a gelatinous mass that creates effective hydraulic seals. Civil Engineering & Environmental: Widely used as a sealant for pond liners, landfills, foundation waterproofing, and bentonite slurries in diaphragm walls or drilling fluids. Foundry & Metallurgy: Functions as a high-strength green sand binder for iron and steel casting molds. Industrial & Agricultural: Used as a pelletizing agent for iron ore, cat litter, animal feed additive, and wastewater treatment clarifying agent. Technical & Commercial Specifications Form: Powder or granules Color: Light grey, off-white, or tan Free Swelling Index: 20–30 mL/2g (minimum) Moisture Content: Max 10–12% pH Range: 8.5–10.5 (Alkaline) Packaging: 25 kg / 50 kg HDPE bags or 1000 kg Jumbo Bags
| Category | Industrial Raw Minerals and Products |
| Subcategory | Bentonite |
| Mineral Source | Kachchh |
| Product Form | Bentonite Powder |
| Source Location | Kutch, Gujarat |
| MOQ | 28 Ton |
| State | Kutch, Gujarat |
| HSN Code | 2508 |
| Listed | 45 days agoOld |
Sodium Bentonite is a natural montmorillonite clay known for its high swelling capacity, strong water absorption, and excellent binding properties when hydrated. Key Characteristics & Applications High Swelling Capacity: Expands up to 15–18 times its dry volume in water, forming a gelatinous mass that creates effective hydraulic seals. Civil Engineering & Environmental: Widely used as a sealant for pond liners, landfills, foundation waterproofing, and bentonite slurries in diaphragm walls or drilling fluids. Foundry & Metallurgy: Functions as a high-strength green sand binder for iron and steel casting molds. Industrial & Agricultural: Used as a pelletizing agent for iron ore, cat litter, animal feed additive, and wastewater treatment clarifying agent. Technical & Commercial Specifications Form: Powder or granules Color: Light grey, off-white, or tan Free Swelling Index: 20–30 mL/2g (minimum) Moisture Content: Max 10–12% pH Range: 8.5–10.5 (Alkaline) Packaging: 25 kg / 50 kg HDPE bags or 1000 kg Jumbo Bags
| Mineral Source | Kachchh |
| Product Form | Bentonite Powder |
| Swelling Capacity (ml/2g) | 24 to 35 ml |
| Mesh Size | 200 |
| Moisture (%) | 10% to 12% |
| pH Value | 9.0 to 10.5 |
| Gel Strength / Viscosity | High |
| Montmorillonite Content (%) | 80% to 90% |
| Sand Content (%) | 1% to 3% |
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