www.hoochemtec.com
Bentonite is a versatile clay mineral known for its high absorbency and ability to form gel-like suspensions, making it valuable in various industries.

CAS Number: 1302-78-9
EINECS NO.: 215-108-5
Molecular Formula: Al2O3.4(SiO2).H2O
Purity (%): Varies depending on the grade and application, typically ranging from 80% to 95% or higher.
Appearance: Fine powder or granules with a range of colors, including white, purple, yellow, gray, or green.
Packing: 25kgs/bag or as custmer’s request.
What is Bentonite?
Bentonite is a type of clay mineral composed primarily of montmorillonite, which is a member of the smectite group of minerals. It is formed from the weathering of volcanic ash and is commonly found in volcanic regions. Bentonite has unique properties, including high swelling capacity and excellent absorbent capabilities. When mixed with water, it forms a gel-like substance and exhibits thixotropic behavior, meaning it becomes less viscous when agitated and returns to a gel-like state when left undisturbed. Due to these characteristics, Bentonite finds a wide range of applications in various industries, such as drilling and construction, foundry, animal feed, environmental remediation, and cosmetics.
Bentonite Uses
Drilling Fluids: It is widely used in the oil and gas industry as a key component of drilling fluids to lubricate and cool the drill bit, remove cuttings, and stabilize boreholes.

Foundry Sands: Bentonite is utilized in foundry molds and cores to improve their strength, casting precision, and resistance to high temperatures.

Cat Litter: Bentonite-based cat litter is popular due to its exceptional clumping and odor-absorbing properties.

Civil Engineering: It finds application in civil engineering for sealing and waterproofing purposes in construction, such as lining ponds, landfills, and canals.

Environmental Remediation: Bentonite is used in environmental remediation to seal and control pollution in landfills and contaminated sites.

Iron Ore Pelletizing: It is added to iron ore concentrate to improve pellet green strength and prevent sticking during the pelletization process.

Binder in Pelletizing: Bentonite is used as a binder in the pelletizing process of various materials, such as fertilizers and detergents.

Wine Clarification: It is employed in winemaking to remove protein haze and clarify wine.