Product Details
- Drilling Fluids and Oil & Gas Industry:
- Drilling Mud: Bentonite is widely used as a drilling fluid in oil, gas, and water well drilling. It acts as a lubricant for drill bits, stabilizes boreholes, and suspends drill cuttings for removal. Its thixotropic properties (forming a gel when static and flowing when agitated) make it ideal for drilling.
- Well Casing and Grouting: Bentonite is also used in sealing boreholes to prevent contamination of groundwater during the drilling process.
- Foundry Industry:
- Mold Making for Metal Casting: Bentonite is used as a binder for sand in foundry molds. The high-temperature resistance of bentonite makes it ideal for casting metals, including steel, iron, and aluminum. It helps in creating reusable molds with high strength and accuracy.
- Green Sand Casting: The clay is used in green sand molds, where it binds the sand particles together, allowing for complex shapes and intricate castings in metal foundries.
- Construction and Civil Engineering:
- Slurry Walls: Bentonite is used to form slurry walls during the construction of tunnels, dams, and building foundations. These walls act as barriers to prevent water infiltration and improve soil stability.
- Waterproofing: Bentonite is commonly used in geosynthetic clay liners (GCLs) for waterproofing projects. It swells upon contact with water to form an impermeable barrier, making it ideal for sealing ponds, landfills, basements, and tunnels.
- Ground Stabilization: Bentonite is used to stabilize soft soils, acting as a binder that improves the soil’s load-bearing capacity in foundation engineering.
- Environmental Protection and Waste Management:
- Landfill Liners and Caps: Bentonite is used as a lining material for landfills to prevent leachate from seeping into groundwater. It forms an impermeable barrier when hydrated, helping to contain hazardous waste.
- Wastewater Treatment: Bentonite is used to treat industrial wastewater. It adsorbs heavy metals and other contaminants, improving the water quality for discharge or reuse.
- Soil Remediation: Bentonite is used in contaminated land treatment to stabilize and encapsulate harmful pollutants, preventing their spread and protecting groundwater.
- Agriculture:
- Animal Feed Additive: Bentonite is used as an additive in animal feeds to promote digestion and improve overall livestock health. It binds toxins and other harmful substances, making feed more nutritious and safe for animals.
- Soil Conditioner: Bentonite is applied as a soil conditioner to improve water retention and nutrient availability in sandy or low-nutrient soils. This improves crop yield and soil fertility.
- Cosmetics and Personal Care:
- Face Masks and Skincare Products: Bentonite is a key ingredient in cosmetics like facial masks and body lotions. Its ability to absorb oils and toxins from the skin makes it popular for cleansing and detoxifying skincare products.
- Thickener and Stabilizer: Bentonite is used as a thickening agent in creams, lotions, and other personal care formulations to enhance product stability and texture.
- Pharmaceuticals:
- Detoxification and Binding Agent: Bentonite is sometimes used in pharmaceuticals as a detoxifying agent due to its ability to bind toxins and impurities in the digestive tract. It is also used in wound healing formulations and topical applications for its soothing properties.
- Cat Litter:
- Absorbent Material: Bentonite is widely used in cat litter due to its excellent absorption and clumping properties. It effectively traps moisture and odors, making it easier to clean and maintain hygiene.
- Paints, Coatings, and Paper:
- Rheology Modifier: Bentonite is used as a thickening and stabilizing agent in paints, coatings, and paper pulp. It improves the viscosity and application properties of coatings, ensuring smoothness and uniformity.
- Paper Production: In the paper industry, bentonite improves retention of pulp, improves drainage, and enhances paper quality.
- Food and Beverage Industry:
- Clarifying Agent: Bentonite is used in the clarification of beverages such as wine, juice, and beer. It removes proteins and particles that could cause cloudiness, improving the clarity and stability of the final product.
- Rubber and Plastics Industry:
- Filler Material: Bentonite is used as a filler in rubber and plastic products to improve their strength and durability. It enhances product performance while reducing material costs.
- Pharmaceuticals and Medicine:
- Pharmaceutical Excipient: Bentonite is used in medicinal products as a binder, disintegrant, and stabilizer. It is used in wound healing treatments, digestive remedies, and detoxifying formulas.
Product Technical Specification
Appearance | powdery clay material |
Odor | Pungent |
pH | 7 to 9 |
Molecular Weight | 62.068 g·mol−1
|
Boiling Point | NA |
Melting Point | NA |
Vapor Pressure | 7.99 Pa (20 °C) |
Density | 0.8 to 1.0 g/cm³ |
Flash Point | NA |
Form and Package