Certification: | RoHS |
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Packaging: | 25kg Per Woven Bag |
Color: | White |
Usage: | Ceramic, Paper, Concrete, Model |
Shape: | Powder |
pH Value: | 6-8 |
Customization: |
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It is a kind of water bearing clay ore mainly composed of montmorillonite, because of its special properties, Such as : swelling, cohesiveness, adsorption, catalysis, thixotropy, suspension, cation exchange, etc.When the interlayer cation is Na +, it is called sodium bentonite; When the interlayer cation is Ca2 +, it is called calcium bentonite.
Calcium Bentonite is white or gray white powder , insoluble in water, oil and organic solvent. It has strong adsorption capacity. It is non toxic, good thermal stability, fast filtering speed, low oil rate.
Bentonite Classification
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1.Calcium bentonite clay 2. Sodium bentonite clay 3.Organic bentonite clay 4. Activated bentonite clay(bleaching earth)
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Size
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200mesh 325mesh 1250mesh
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Color
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White/Light Yellow
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Package
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25kg/bag, 50kg/bag, ton bags, paller, as customer requirement.
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Application
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Drilling mud, foundry, oil drilling, coating, papermaking, textile, desiccant, decolorization,.
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Product Specification:
Physical properties | Sodium bentonite | Calcium bentonite |
Color | white/yellow | white/yellow |
Whiteness | 70-80% | 70-80% |
Plasticity | 180-200% | 80% |
325 mesh pass rate | 90% | 90% |
Swelling capacity | ≥20 | ≥7 |
Composition | Sodium Bentonite | Calcium Bentonite |
SiO2% | 69.32 | 67.23 |
Al2O3% | 14.27 | 15.88 |
Fe2O3% | 1.84 | 2.62 |
TiO2% | 0.13 | 0.13 |
CaO% | 1.99 | 2.22 |
MgO% | 2.69 | 4.01 |
Na2O% | 1.85 | 0.13 |
K2O% | 1.38 | 0.19 |
LOl% | 5.67 | 8.09 |
1.Foundry industry. Bentonite support is needed in both ordinary casting and precision casting to be used as sand mold binder to facilitate better modeling of castings.
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