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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.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.Drilling well
2.In the mechanical manufacturing , it can be used as molding sand and binder.
3.Used as paper filler in the paper industry.
4.It can be used as antistatic coating in textile printing and dyeing liquid.
5.In the metallurgical industry, bentonite is used as the binder of iron ore pellet.
6.In the petroleum industry, sodium bentonite is used to prepare tar water emulsion.
7.In food industry, sodium bentonite is used to purify animal and vegetable oil, clarify wine and jucie.
8.In textile industry and dyeing industry, sodium bentonite is used as filler, bleaching agent, antistatic painting.
9.It also can be the feed additive.
