Clay & Industrial Minerals•Batch Lab Tested
Bentonite
Bentonite is a naturally occurring clay mineral valued for its swelling, binding, and rheological characteristics. Performance is dependent on the selected grade and the process conditions in which it is used.
Key Technical Characteristics
Controlled swelling and water absorption
Fine mineral structure for binding and rheology
Suitable for industrial processing and environmental applications
Grade-specific formulation support
Typical Technical Specifications
Grade and batch dependentChemical Properties
| Name | Property |
|---|---|
| SiO2 (%) | 72 To 77 |
| Al2O3 (%) | 13.6 To 14.3 |
| Fe2O3 (%) | 0.8 To 0.99 |
| TiO2 (%) | 0.09 To 0.13 |
| MgO (%) | 1.54 To 1.55 |
| CaO (%) | 1.13 To 1.53 |
| Na2O (%) | 0.47 To 0.97 |
| K2O (%) | 1 To 1.4 |
| Loss of Ignition (%) | 4.92 To 4.97 |
| Moisture (%) | 25 To 30 |
Physical Properties
| Name | Property |
|---|---|
| Colour | White |
| Hunter L | 88 To 92 |
| MBA (mg/g) | 260 To 300 |
| Grit (%) | 9.75 To 10.25 |
| Water Of Plasticity (%) | 63 To 75 |
| Bulk Density (gr/cm3) | 1.1 To 1.2 |
| pH | 7 To 8 |
| Swelling Index | 6.0 ml/2gr |
| L | 78 To 84 |
| A | 0.5 To 1.0 |
| B | 10 To 12 |
| Shrinkage (%) | 8 To 10 |
Values above represent the supplied material range and should be confirmed on final batch release against customer specification.
Target Industrial Applications
FoundryConstructionDrillingCivil EngineeringIndustrial Processing
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