Delivering Reliable Raw Materials for Precision Casting
Foundry operations demand mineral inputs with consistent thermal stability and grain composition. Quantum Terra Minerals™ supplies high-alumina and specialty mineral grades suited to mold making, core binding, and refractory lining applications.
Our processing standards ensure reliable performance under the high-heat, high-precision conditions required for metal casting operations.
Discuss Your RequirementsOur Products
Foundry Sand
High-purity mineral sand grades used as the primary molding medium in sand casting operations, offering consistent grain size and thermal resistance.
Refractory Linings
High-alumina mineral grades used in refractory linings for furnaces and ladles, providing thermal stability under extreme casting temperatures.
Mold & Core Binders
Specialty clay and mineral binders that improve mold and core strength, dimensional accuracy, and surface finish in precision casting.
Metallurgical Additives
Mineral additives supporting metallurgical processing efficiency, sourced for metallurgical excellence and specialized refractory applications.
Silica Sand
High-purity silica sand grades offering consistent grain size, thermal stability, and refractoriness for precision sand casting applications.
Bentonite
High-swelling bentonite clay used as a bonding agent in green sand molding, improving mold strength, flowability, and reusability.
Investment Casting
Fine mineral grades supporting investment casting shell and slurry systems, delivering smooth surface finish and dimensional precision.
Non-Ferrous Casting
Consistent mineral chemistry supporting aluminum, brass, and bronze casting processes requiring controlled mold reactivity.
Featured Product
QTM RefracMax™ is a high-alumina kaolin developed for refractory products requiring excellent thermal stability and resistance to high-temperature deformation.
| Parameter | Typical Value |
| Al₂O₃ | 36–40 % |
| Fe₂O₃ | 0.25–0.70 % |
| Refractoriness | Good to Premium |
| Property | Typical Value |
| Moisture | <1.0 % |
| Loss on Ignition (LOI) | 13–15 % |
| Brightness | 85–90 % |
Grade Selection
Five calibrated grades — from fire bricks to premium high-temperature refractories.
| Product Grade | Al₂O₃ (%) | Fe₂O₃ (%) | Refractoriness | Application |
|---|---|---|---|---|
| QTM-RF 100 | 36 | 0.70 | Good | Fire Bricks |
| QTM-RF 200 | 37 | 0.55 | Better | Refractory Mortars |
| QTM-RF 300 | 38 | 0.45 | High | Castables |
| QTM-RF 400 | 39 | 0.35 | Very High | Kiln Furniture |
| QTM-RF 500 | 40 | 0.25 | Premium | High Temperature Refractories |
Featured Product
QTM FoundryMax™ is a selected kaolin grade developed for foundry applications requiring thermal stability, controlled particle size distribution, and reliable performance in moulding and core-making processes.
| Parameter | Typical Value |
| SiO₂ | 46–48 % |
| Al₂O₃ | 37–40 % |
| Fe₂O₃ | ≤0.40 % |
| Property | Typical Value |
| Median Particle Size (D50) | 4–8 µm |
| Loss on Ignition (LOI) | 13–15 % |
Grade Selection
Five calibrated grades — from green sand moulds to precision foundry applications.
| Product Grade | Al₂O₃ (%) | Fe₂O₃ (%) | D50 (µm) | Application |
|---|---|---|---|---|
| QTM-FD 100 | 36 | ≤0.80 | 8.0 | Green Sand Moulds |
| QTM-FD 200 | 37 | ≤0.60 | 7.0 | Core Sand Binders |
| QTM-FD 300 | 38 | ≤0.50 | 6.0 | Iron Casting |
| QTM-FD 400 | 39 | ≤0.40 | 5.0 | Steel Casting |
| QTM-FD 500 | 40 | ≤0.30 | 4.0 | Precision Foundry Applications |
Our Various Applications
Discuss Your Specific Mineral Requirements
Discuss your specific mineral requirements with our technical team. We welcome the opportunity to explore new applications and partnerships in the foundry sector.
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