Mineral Fillers for Polymer Compounding
QTM mineral fillers play a critical role in polymer compounding — improving mechanical properties, processing behavior, and cost efficiency.
Our functional mineral grades are engineered to deliver precise particle size distribution, controlled surface chemistry, and consistent performance across a broad range of polymer compound applications.
Explore Industrial MineralsApplication Areas
Plastic Industry
- Automotive Plastic Components
- Cable Compounds
- Engineering Plastics
- Injection Molding Compounds
- Masterbatch
- Packaging Films
- Pipe & Fittings
- Polymer Compounds
- Polyolefin Compounds
- PVC
- Rigid & Flexible PVC
- Wire & Cable Insulation
Featured Product
QTM PolyShield™ is an engineered kaolin filler that improves stiffness, dimensional stability, surface finish, and processing performance in thermoplastics and thermosets.
| Parameter | Typical Value |
| SiO₂ | 46–48 % |
| Al₂O₃ | 37–39 % |
| Fe₂O₃ | ≤0.40 % |
| TiO₂ | ≤0.50 % |
| Property | Typical Value |
| Brightness | 88–90 % |
| Moisture | <0.5 % |
| D50 | 2–3 µm |
| Oil Absorption | 32–40 g/100 g |
Grade Selection
Five calibrated grades — from PVC pipes to specialty polymer compounds.
| Product Grade | Brightness (%) | D50 (µm) | Moisture (%) | Application |
|---|---|---|---|---|
| QTM-PL 100 | 5.0 | <1.0 | PVC Pipes | |
| QTM-PL 200 | 4.0 | <0.8 | Injection Moulding | |
| QTM-PL 300 | 3.0 | <0.8 | Masterbatch | |
| QTM-PL 400 | 2.5 | <0.5 | Engineering Plastics | |
| QTM-PL 500 | 2.0 | <0.5 | Specialty Polymer Compounds |
Mineral Benefits
Improved Stiffness
Mineral reinforcement enhances tensile strength, flexural modulus, and dimensional stability in polymer compounds.
Better Process Flow
Optimized particle morphology and surface treatment ensure smooth processing, reduced wear, and consistent extrusion output.
Cost Reduction
Partial replacement of higher-cost polymers and synthetic fillers without compromising end-product performance specifications.
Thermal Stability
Engineered mineral grades provide elevated thermal resistance, essential for high-performance engineering and cable compound applications.
Our Various Applications
Find the Right Mineral Grade for Your Polymer Compound
Our technical specialists can recommend the optimal mineral filler specification for your polymer compounding requirement.
Contact Our Technical Team