Foundry Grade Bentonite is a high-quality, natural clay mineral specifically processed for use in foundry applications. It acts as an excellent binder in sand molding and core-making processes due to its exceptional swelling properties and high plasticity. This bentonite ensures optimal mold strength, enhanced collapsibility, and improved surface finish of castings. Its fine particle size distribution and consistent quality make it ideal for high-performance foundry operations, offering superior thermal stability and resistance to heat-induced degradation. Suitable for ferrous and non-ferrous metal casting industries, this foundry grade bentonite significantly improves moldability and reduces defects in metal castings, thus enhancing overall production efficiency and casting quality.
Key Features
| Features | Description |
|---|---|
| Binder Type | Sodium Bentonite |
| Swelling Index | Minimum 24 ml/2g |
| Moisture Content | Below 8% |
| Purity | High purity with low impurities |
| Particle Size | Fine and uniform granulometry |
| Thermal Stability | Resistant up to 1200°C |
| Application | Sand molding and core making in foundry |
| Packaging | Available in 25kg and bulk bags |
| Source | Natural Montmorillonite clay |
| Attributes | Description |
|---|---|
| Chemical Composition | SiO2, Al2O3, Fe2O3, MgO, Na2O |
| pH Value | 8.0 - 9.5 |
| Viscosity | High for optimal binding |
| Color | Light grey to off-white |
| Density | Approx. 2.5 g/cm³ |
| Bulk Density | 1.1 - 1.5 g/cm³ |
| Water Absorption | Excellent swelling and absorption |
| Storage Conditions | Keep dry and moisture free environment |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Its high swelling index and plasticity enable it to bind sand efficiently, providing strength and thermal stability necessary for core making.
Yes, the bentonite’s thermal stability and purity ensure performance across ferrous and non-ferrous casting processes.
It is available in industrial bulk bags and 25 kg sacks to meet varying purchase volumes.
Store in a dry, moisture-free environment to preserve its swelling ability and prevent contamination.
Yes, it maintains thermal stability up to 1200°C, making it highly resistant to heat degradation during metal casting.
