Bentonite

Bentonite is an absorbent aluminium phyllosilicate clay consisting mostly of montmorillonite. It was named by Wilbur C. Knight in 1898 after the Cretaceous Benton Shale near Rock River, Wyoming

Send Requirement :


Request a Quote  **Free

No registration, no credit cards required.


Top Brands and Manufacturers

Show All Hide

Manufacturer and Suppliers for Bentonite


Detailed Description for Bentonite

Bentonite is an absorbent aluminum silicate (hydrated) clay formed from volcanic ash decomposition and largely composed of montmorillonite and beidellite. It is used in various adhesives, cements, and ceramic fillers. It is used in the making of fillers, sizings, and dressings in construction, in clarifying water and wine, in purifying sewage, and in the wet end paper, ceramics, plastics, and rubber industries. Other appliactiona include in in animal feed, asphalt emulsion, brick, detergent. Special grades are used in dental materials, foods and cosmetics. The pharmaceutical industry uses it as a suspending agent. Highly absorbent, bentonite is much used in foundry work for facing the molds and preparing the molding sands for casting metals.

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE gray powder or granules
MELTING POINT  
BOILING POINT 2760 C
SPECIFIC GRAVITY 2.5 (- 6.5)
SOLUBILITY IN WATER Insoluble (Forms a colloidal suspension )
pH 8.0 - 8.5
VAPOR DENSITY  
AUTOIGNITION

 

NFPA RATINGS Health: 1; Flammability: 0; Reactivity: 0

REFRACTIVE INDEX

 
FLASH POINT Not considered to be a fire hazard
STABILITY Stable under ordinary conditions

 

The less absorbent bentonites are used chiefly in the oil industry, e.g., as filtering and deodorizing agents in the refining of petroleum and, mixed with other materials, as drilling muds to protect the cutting bit while drilling.


Question And Answer

Get Prices

Answers to your queries


Buying Tip- See what like buyers had to say!



SUBMIT