Advanced Long Glass Fiber Reinforcement
- PA66 LGF40 represents a cutting-edge composite material, combining a robust polyamide 66 matrix with a substantial 40% loading of long glass fibers. This optimized composition delivers superior mechanical performance, including enhanced stiffness, creep resistance, and dimensional stability over a wide temperature range. The strong interfacial adhesion achieved through optimized fiber treatment ensures efficient load transfer, enabling the material to withstand demanding structural applications.
Key Material Advantages:
- Enhanced Stiffness: Increased glass fiber content provides significantly higher flexural modulus compared to lower filled grades.
- Improved Creep Resistance: The long glass fiber network effectively restricts polymer chain movement under sustained loads.
- Excellent Dimensional Stability: Lower coefficient of linear thermal expansion due to the higher fiber content.
- High Strength-to-Weight Ratio: Offers a lightweight alternative to metals without compromising structural integrity.
Typical Material Properties
| Property | LFT-G®PA66 LGF30 | PA6-GF45 | Test Method | |
|---|---|---|---|---|
| Tensile Strength | 143 MPa | 168 MPa | 185 MPa | ISO 527 |
| Flexural Modulus | 9.8 GPa | 8.2 GPa | 9.2 GPa | ISO 178 |
| Charpy Impact (Notched) | 35 kJ/m² | 30 kJ/m² | 32 kJ/m² | ISO 179 |
| HDT @1.8MPa | 255°C | 255°C | 245°C | ISO 75 |
| Density | 1.43 g/cm³ | 1.34 g/cm³ | 1.40 g/cm³ | ISO 1183 |
Demanding Application Areas
Relevant Applications
High-strength automotive structural part
LFT-G® PA66 LGF40 Composite Pellets
Robust industrial pump housing
Heavy-Duty Mechanical Components
- Gears and bearings requiring high wear resistance and load-bearing capacity.
- Structural brackets and supports in demanding industrial environments.
Advanced Automotive Systems
- Front-end modules and structural components for enhanced vehicle performance and safety.
- Powertrain components requiring high stiffness and thermal stability.
Engineer Cover Structural Part
Commitment to Sustainability
Environmental Responsibility
- Options for incorporating recycled content in the PA66 matrix.
- Compliance with global environmental regulations such as REACH.
Resource Efficiency
- Light weighting solutions contributing to reduced energy consumption in transportation applications.
- Efforts towards minimizing waste and promoting material circularity.
Optimal Processing Conditions
Recommended Injection Molding Parameters
| Parameter | Optimal Range | Critical Control |
|---|---|---|
| Melt Temperature | 290-320°C | Ensure proper fiber wetting and flow |
| Mold Temperature | 90-130°C | Optimize crystallinity and surface finish |
| Drying Requirements | 4-6h@120°C | Moisture content ≤0.08% for optimal performance |
Tooling Considerations
- Gating design optimized for long fiber materials to minimize fiber breakage.
- Effective venting to prevent air entrapment and ensure complete mold filling.
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