Our premium Bauxite Sand is an engineered artificial foundry sand designed as a high-performance alternative to traditional ceramic, zircon, and silica sands. Composed primarily of Mullite and Corundum, this specialized refractory material is meticulously crafted to enhance mold stability and casting precision across a wide range of industrial foundry applications.
By integrating a spherical grain structure and superior thermal properties, our Bauxite Sand optimizes the casting process, significantly reducing resin consumption and operational costs. Whether utilized in precision casting, 3D printing, or resin-coated sand molding, it provides the ideal balance of durability and collapsibility to ensure high-quality finished parts with minimal scrap rates.
| Main Chemical Component | Al₂O₃≥53%, Fe₂O₃<4%, TiO₂<3%, SiO₂≤37% | Grain Shape | Spherical (Angular Coefficient ≤1.1) |
|---|---|---|---|
| Particle Size Range | 45μm - 2000μm | Refractoriness | ≥1800℃ |
| Bulk Density | 1.45-1.6 g/cm³ | Thermal Expansion | 4.5-6.5x10-6/k (RT-1200℃) |
| Mineralogical Composition | Mullite + Corundum | PH Value | 6.6-7.3 |
| L.O.I. | <0.1% | Acid Cost | <1 ml/50g |
Engineered for maximum durability, significantly reducing sand usage and replacement frequency in the foundry.
Spherical grains allow for easier separation from cast parts, resulting in lower scrap and higher casting efficiency.
Offers substantial price savings compared to Zircon, Chromite, and Black ceramic sands without compromising quality.
Lower thermal expansion ensures casting dimensions are more accurate and mold performance is optimized.
Highly optimized surface properties require 30-50% less resin compared to standard foundry sands.
Compatible with no-bake, cold core box, green sand, precision casting, and 3D printing processes.
Tailored particle size distributions available from 45μm to 2000μm to meet specific mold requirements.
Fully compatible with resin-coated and no-bake systems for seamless production integration.
Advanced low thermal conductivity ensures superior mold performance and temperature stability.
Strict adherence to chemical purity standards, keeping L.O.I. below 0.1% for maximum reliability.
Directly replaces fused ceramic sand, chromite sand, and zircon sand for immediate cost reduction.
Enhanced durability and easier separation reduce post-casting cleaning and labor costs.
| Comparison Factor | Traditional Silica/Zircon Sand | Premium Bauxite Sand |
|---|---|---|
| Material Cost | High / Fluctuating | Significant Savings |
| Resin Consumption | Standard Baseline | 30% - 50% Reduction |
| Casting Precision | Moderate (Higher Expansion) | High (Low Expansion) |
| Collapsibility | Variable / Angular | Excellent / Spherical |
| Lifespan/Usage | Standard Wear | Longer Work Life |
Yes, Bauxite sand is highly versatile and can be utilized as a single sand in various molding processes due to its excellent refractoriness and strength.
It is an ideal substitute for Cerabeads ceramic sand, fused ceramic sand, chromite sand, zircon sand, fused silica sand, and standard silica sand.
The spherical shape improves flowability and enables easier separation from cast parts, which enhances collapsibility and reduces the overall scrap rate.
Yes, due to its surface properties and grain structure, Bauxite sand typically requires 30% to 50% less resin than traditional foundry sands.
Absolutely. It is widely used in advanced applications including precision casting, lost foam casting, and 3D printing for high-accuracy molds.
Our Bauxite sand offers exceptional heat resistance with a refractoriness of ≥1800℃, making it suitable for high-temperature casting environments.
Products categories