Industrial Mineral
Bentonite
Absorbent clay supplied in sodium and calcium grades for drilling, foundry, civil engineering, pelletizing and absorbent applications.
Chemical FormulaAl₂O₃ ⋅ 4SiO₂ ⋅ H₂O
Product Profile
Key properties
Typical physical and general characteristics for this product. Final values depend on the selected grade and source.
Color
White, cream, grey or brown
Hardness
1–2 Mohs
Specific gravity
2.2–2.6
pH
8–10.5
Water absorption
Very high
Technical Data
Typical specifications
| Parameter | Typical Value |
|---|---|
| SiO₂ | 50–60% |
| Al₂O₃ | 15–20% |
| Fe₂O₃ | 2–5% |
| Moisture | 5–10% |
| API yield | ≥15 m³/ton |
| Filtrate loss | ≤15 ml |
Specifications shown are typical values and may vary by source, grade and processing. Final supply specifications are confirmed against the buyer requirement and available laboratory analysis.
Available Forms
- Sodium bentonite
- Calcium bentonite
- Powdered bentonite
- API-type drilling grade
Available Sizes
- 100 mesh
- 200 mesh
- 325 mesh
- 400 mesh
- Custom grades
Packaging Options
- 25 kg or 50 kg bags where applicable
- 1 MT jumbo bags where applicable
- Loose bulk shipment where applicable
- Customized packaging subject to agreement
End Uses
Industrial applications
Oil and gas drilling
Foundry moulding
Iron ore pelletizing
Civil engineering
Cat litter
Animal feed binder
Fertilizer carrier
Cosmetics
Water treatment
Commercial Inquiry
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