Sodium Bentonite
| Product Name | Sodium Bentonite |
| Appearance | Light yellow, beige, brown, or gray powder |
| Main Mineral | Montmorillonite |
| Exchangeable Cation | Sodium ion |
| Mesh Size | 200 mesh to 3250 mesh, customizable |
| Moisture | Usually less than or equal to 12%, customizable |
| pH Value | 8-11 |
| Swelling Capacity | High |
| Viscosity | Customized according to application |
| Water Absorption | Excellent |
| Application Grades | Drilling, waterproofing, foundry, cat litter, civil engineering, environmental protection |
| Packaging | 25kg bags, jumbo bags, pallet packaging, or OEM packaging |
Sodium bentonite provides several important advantages for industrial users. Its high swelling capacity makes it suitable for sealing and waterproofing systems. Its viscosity and suspension performance make it a key material for drilling fluids. Its strong absorption and clumping properties make it useful for cat litter and absorbent products. Its natural mineral composition also makes it an environmentally friendly material for many applications.
• High swelling capacity and strong water absorption
• Excellent viscosity development and suspension stability
• Strong sealing and waterproofing performance
• Good bonding strength for foundry and industrial systems
• Customizable mesh size, viscosity, moisture, and packaging
• Stable supply from WANCHENG MINERAL
• Suitable for large-scale industrial procurement
WANCHENG MINERAL follows a controlled production process to ensure stable sodium bentonite quality. From raw ore selection to final packaging, each step is managed to meet customer requirements for particle size, moisture, viscosity, swelling capacity, and industrial performance.
• Raw Ore Selection: High-quality bentonite ore is selected from stable mineral resources.
• Crushing: Raw ore is crushed into smaller particles for further processing.
• Drying: Moisture is controlled through professional drying systems.
• Grinding: Bentonite is ground into the required mesh size.
• Screening: Particle size distribution is controlled by screening.
• Quality Inspection: Swelling capacity, viscosity, moisture, and appearance are tested.
• Packaging: Finished products are packed according to export standards or customer requirements.
For international customers, packaging safety and loading efficiency are very important. WANCHENG MINERAL provides flexible packaging options for different purchasing needs, including small bags, jumbo bags, palletized packaging, and OEM customized packaging. Export packaging can be adjusted according to container loading, warehouse storage, and final use requirements.
• 25kg PP woven bags
• 25kg kraft paper bags
• 500kg or 1000kg jumbo bags
• Palletized export packaging
• OEM neutral packaging or customer brand packaging
• FOB, CIF, and EXW trade terms available
• Container shipment and global export service
For sodium bentonite buyers, consistent quality is often more important than a single technical indicator. Different industries require different performance priorities. Drilling mud customers usually focus on viscosity, suspension stability, filtration control, and borehole stability. Waterproofing customers usually focus on swelling capacity, impermeability, and long-term sealing performance. Cat litter customers usually focus on clumping speed, particle strength, dust level, absorption rate, and odor control. Foundry customers usually focus on bonding strength, plasticity, and thermal stability. WANCHENG MINERAL understands these differences and can provide application-oriented product selection support for international customers.
Before shipment, sodium bentonite products can be inspected according to customer requirements. Common inspection items include appearance, moisture, mesh size, swelling capacity, viscosity, pH value, bulk density, and packaging condition. For long-term buyers, WANCHENG MINERAL can also maintain stable grade matching, batch records, and packaging standards to reduce quality fluctuation during repeated orders.
The best sodium bentonite grade depends on the final application. For drilling mud, buyers should pay attention to hydration speed, viscosity development, suspension ability, and fluid loss control. For waterproofing blankets and liners, swelling capacity, sealing performance, and particle stability are more important. For cat litter, clumping strength, low dust, absorption speed, and granule size are key factors. For foundry applications, bonding strength and molding sand performance should be evaluated carefully.
When customers are not sure which grade to choose, WANCHENG MINERAL can recommend a suitable product based on the application, target specification, packaging preference, and market requirement. This helps customers reduce testing time, improve procurement efficiency, and obtain a more suitable sodium bentonite solution.
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Q1: What is sodium bentonite mainly used for?
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Q2: What is the difference between sodium bentonite and calcium bentonite?
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Q3: Can WANCHENG MINERAL customize sodium bentonite specifications?
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Q4: Can you provide samples?
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Q5: Is sodium bentonite suitable for waterproofing?

