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Our Product
F-BOND FOUNDRY GRADE BENTONITE
Your Trusted Source for High-Quality Bentonite in Foundry and Casting Applications.At LP Impex, we specialize in delivering premium-grade bentonite products tailored to the casting and foundry industries. Bentonite,especially sodium bentonite, is an essential material in green sand molding processes, used for its unique properties like high cation exchange capacity, swelling behavior, and binding strength.
Why Choose LP Impex F BOND Bentonite for Foundry Applications?
- Fast Bond Development: Bentonite provides rapid and secure bonding between sand grains, ensuring strong mold integrity even under the high heat of molten metal.
- High Green Compression Strength (GCS): The high green compression strength of bentonite leads to robust molds that prevent breaks or shifts during casting, ensuring consistent quality and precision.
- Thermal Stability: Withstands temperatures over 1000°C, making bentonite suitable for even the most intense foundry conditions where thermal resistance is critical.
- High Swelling Capacity: The ability to absorb water up to 16 times its weight ensures mold integrity and minimizes porosity, scabbing, and other defects.
- Wide Moisture Tolerance: Bentonite’s swelling capacity helps maintain consistent mold quality, adapting to different casting environments.
- Eco-Friendly & Sustainable: As a naturally occurring clay mineral, bentonite is safe for use and minimizes environmental impact, ensuring compliance with modern sustainability standards.
F-BOND / FF-BOND / SPECIAL FF-BOND
Key Advantages in Foundries:
- Increased Mold Precision: Bentonite contributes to better mold definition, ensuring accurate reproduction of fine details and sharp edges in castings.
- Consistency Across Batches: Our bentonite products ensure consistent quality, making them ideal for mass production in foundry operations.
- Improved Sand Reclamation: Bentonite allows for the efficient reuse of molding sand, reducing operational costs and enhancing sustainability.
- Defect Prevention: By preventing issues such as porosity, holes, and scabbing, bentonite improves the surface finish and dimensional accuracy of castings.
CHEMICAL ANALYSIS
| Component | Analysis |
|---|---|
| SiO2 | 48 – 54% |
| AL2O3 | 14 – 17% |
| Fe2O3 | 14 – 18% |
| CaO | 1.5 – 2.8 % |
| Na2O3 | 2.2 – 3 % Min |
| TiO2 | 1.5 – 2.5 % |
| K2O | 0.06 – 0.20 % |
| MgO | 2.0 – 3.0 % |
| LOI | 12 – 12.5 % |
PHYSICAL PROPERTIES
| Component | Value |
|---|---|
| pH Value | 9 – 10.5 |
| Moisture Content | 14% Max |
| Free Swelling Volume | 28 cc Min |
| Green Compression Strength (GCS) | 12 PSI Min |
| Gel Index: | 70 cc Min |
| MBA (Methylene Blue Adsorption) Value | 380 mg/g Min |
F BOND plays a crucial role in green sand molding processes due to its swelling properties, thermal stability, and ability to form strong bonds with sand particles. These features are critical for producing
ferrous and non-ferrous castings that are free of defects.
Our foundry-grade sodium bentonite is carefully mined and processed to ensure high montmorillonite content, providing consistent quality and performance for complex casting projects.
F-BOND CRITI AL ADDITIVE
- F-BOND is ideally suited for green sand molding in iron, steel, and non-ferrous castings. It ensures better mold integrity, reduces casting defects, and enhances surface finesse for complex castings.
- FF-BOND is a premium sodium bentonite that delivers exceptional performance in green sand molding applications. It ensures high tensile strength, swelling capacity, and dimensional stability, making it perfect for casting intricate parts.
- Special FF-BOND offers unmatched performance in green sand molding, providing superior tensile strength and dimensional stability. This bentonite is specially formulated for high-demand casting projects requiring sharp mold edges and smooth surfaces.
F-BOND NATURAL MATERIAL
Our foundry-grade bentonite products are designed to deliver consistent performance in even the most challenging casting conditions.
With a focus on thermal stability, mold strength, and reduced defects, LP Impex bentonite products are the perfect solution for enhancing casting precision and mold durability.
F-BOND POWERFUL BONDING AGENT
Green sand molding is a widely used technique for producing iron, steel, and non-ferrous castings, where F BOND acts as a powerful bonding agent. Its ability to maintain thermal stability and mold strength under high temperatures makes it indispensable in foundry processes, ensuring better performance and durability.