Sodium Bentonite Powder

Sodium Bentonite Powder Specification

Taste
Earthy

Ph Level
8.5 - 10

Purity
90% - 98%

Poisonous
Yes

Form
Powder

Density
1.0 Gram per cubic centimeter(g/cm3)

Smell
Odorless

Solubility
Insoluble in water, swells to form gel

Refractive Rate
1.49 - 1.53

Storage
Store in cool, dry, ventilated area

Molecular Formula
Al2H2Na2O13Si4

Shape
Fine Powder

HS Code
25081090

Structural Formula
(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2nH2O

Molecular Weight
566.09 g/mol

Other Names
Sodium Montmorillonite, Wyoming Bentonite

Melting Point
Approx. 1350C (decomposes)

Classification
Silicate Clay Mineral

Chemical Name
Sodium Bentonite

CAS No
1302-78-9

EINECS No
215-108-5

Grade
Industrial Grade

Standard
As per industry standards

Type
Powder

Usage
Industrial raw material

Main Material
Sodium Montmorillonite

Application
Drilling, foundry, waterproofing, construction, cat litter, agriculture

Non Toxic
Yes

Shelf Life
2 years if stored properly

Moisture Content
8% max

Swelling Capacity
600% - 900%

Color
Grey, Cream, Off-white

Packaging
50 kg HDPE bags or as per requirement

Particle Size
200 mesh (75 microns) pass

Loss on Ignition (LOI)
6% - 10%

Free from impurities
Yes

Bulk Density
0.6 - 0.9 g/cm3

Cation Exchange Capacity
70 - 110 meq/100g

Water Absorption
20% - 30%

About Sodium Bentonite Powder

Usage	Pilling, Drilling Mud, Oil Well Drilling, Foundry
Swelling Index	25 ml
Form	Powder
Yield	120 bbl
Moisture	up to 10%
Usage/Application	Drilling mud
Packaging Type	HDPE Bag
Packaging Size	50 Kg
Grade Standard	API Grade
Color	Brown
Mesh Size	100 mesh
Formula	Al2H2Na2O13Si4
Molar Mass	422.29 g/mol
PubChem CID	72941614

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Superior Swelling and Binding Efficiency

Sodium Bentonite Powder stands out for its remarkable swelling capacity, ranging between 600% and 900%. Upon contact with water, it expands to form a robust gel, making it highly effective for sealing, binding, and absorbing processes in various industries. Its unique physical and chemical profile delivers reliable performance in demanding applications.

Versatile Industrial Applications

This powder finds extensive use in multiple sectors, such as oil drilling as a mud constituent, foundry as a binder, waterproofing and construction for barrier systems, cat litter for absorption, and agriculture as a soil conditioner. Its impressive water absorption, high cation exchange, and insolubility in water offer unique advantages across these diverse uses.

FAQ's of Sodium Bentonite Powder:

Q: How is sodium bentonite powder typically used in industrial applications?

A: Sodium bentonite powder is widely used as a binding, sealing, and absorbent agent. It is added to drilling fluids for oil and gas extraction, acts as a binder in foundries, serves as a waterproofing material in construction, and is used in cat litter for its moisture absorption and odor control properties. In agriculture, it improves soil structure and water retention.

Q: What benefits does sodium bentonite powder provide in construction and waterproofing projects?

A: In construction and waterproofing applications, sodium bentonite powder swells upon contact with water, forming a dense gel that effectively seals gaps and prevents water ingress. This quality makes it ideal for creating impermeable barriers in foundations, tunnels, and landfill liners.

Q: What is the recommended storage process for sodium bentonite powder to maintain its shelf life?

A: To preserve its quality and achieve the maximum shelf life of 2 years, always store sodium bentonite powder in a cool, dry, and well-ventilated area. Ensure the product remains sealed in HDPE bags to prevent moisture absorption and contamination.

Q: Where can sodium bentonite powder be applied apart from drilling and construction?

A: Besides drilling and construction, sodium bentonite powder is also used in foundries as a binder for molding sand, in agriculture as a soil amendment to improve water retention, and in pet care products like cat litter due to its high absorbency and non-toxic nature.

Q: How does the swelling capacity of sodium bentonite powder benefit its performance?

A: With a swelling capacity of 600% to 900%, sodium bentonite powder expands significantly when water is added, forming a gel. This property enhances its sealing, binding, and absorption capabilities, ensuring effective performance in all intended industrial applications.

Q: What safety precautions should be considered when handling sodium bentonite powder?

A: Sodium bentonite powder is non-toxic and free from impurities, but it is advisable to handle it in a well-ventilated area to avoid inhaling dust. Wearing protective masks and gloves is recommended during handling and transportation.

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