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TIANJIN JINZHENG RUITAI IMPORT&EXPORT CO.,LTD

    
Bentonite

Bentonite


[002] [China]
Posted Date: January 15, 2008
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Description
Bentonite is a high swelling clay mineral whose name was derived from the location of the first commercial deposits mined at Fort Benton, Wyoming U.S.A. Mineralogical; bentonite mainly consists of montmorillonite in combination with various mineral impurities such as feldspars, calcite, silica, etc. Montmorillonite belongs to the smectite group of clays which also include similar behaving minerals such as beidellite, saponite and hectorite.

Geologically bentonites are mainly of volcanic origin; the majorities of commercial deposits were formed by the hydrolysis or metamorphism of volcanic rock or ash and are almost found in everywhere in world.

The structure of montmorillonite is fundamentally a three-layer structure with an octahedral aluminum hydroxyl sheet sandwiched between two layers of silicon- oxygen tetrahedral. However, the aluminum atoms are partially replaced by the substitution of either magnesium or iron atoms, thereby creating a charge deficiency within the unit structure. This results in a small negative charge on the basal plane of silica tetrahedral, which is balanced by absorption of exchangeable captions between adjacent platelets. In natural montmorillonite, these captions are usually calcium, sodium or magnesium according to the formations of bentonite.

A: Foundry (HS 25081000 Bentonite of Lithium /sodium/ calcium)
B: Metallurgy (metallurgy pellet binder) HS 25081000
C: Drilling Mud (API& OCMA) HS 25081000
D: Bleaching earth (acid active and natural) HS 25084000

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Other Information
Location:  China 
Minimum Order:  20MT 
Price for Minimum Order:  90USD 
  (This price is only for minimum order, for large quantities, please contact)
Sample Available:  NO 
Related Categories: Chemical Additives, Auxiliary, Non-metallic Mineral Deposit
Related Products: bentonite, bentonite clay »
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Chemical Additives, Auxiliary: ketamine, phosphoric acid, sodium hydroxide, acetic acid, potassium chloride, sodium bicarbonate, calcium chloride, sodium chloride, bromelain, hydrochloric acid, titanium dioxide, potassium nitrate, anhydrous ammonia, stearic acid
Non-metallic Mineral Deposit: igneous rocks, calcium carbonate, iron ore, salt lamps, rose quartz, magnesium oxide, rough diamonds, quartz countertops, precious stones, quartz crystal, calcium supplements, aluminum oxide, calcium carbide, cement blocks, pumice stone
 
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