LFT-G® Long Glass Fiber Reinforced PA6 for Automotive Front-end Modules
Elevated Performance for Structural Integrity: PA6 LGF30 for Automotive Front-end Modules
The automotive front-end module (FEM) is a complex assembly integrating critical components like cooling systems, headlamps, and structural supports. It demands materials capable of withstanding significant structural loads, temperature extremes, and impacts, often exceeding the performance limits of standard materials like PP LGF40. When the performance requirements dictate a higher level of strength, stiffness, and thermal resistance, LFT-G® PA6 LGF30 emerges as the recommended material of choice. By incorporating 30% continuous long glass fibers into a robust Polyamide 6 (PA6) matrix, LFT-G® PA6 LGF30 delivers superior mechanical properties and a higher heat deflection temperature compared to PP-based LFT composites. This specialized grade is expertly formulated to provide the necessary structural integrity for the FEM, absorbing impact energy, maintaining dimensional stability across a wide operating temperature range, and resisting common under-hood fluids. Choosing LFT-G® PA6 LGF30 enables the consolidation of multiple metal and plastic parts into a single, lighter, and more cost-effective module, while ensuring the long-term reliability and safety required for this critical vehicle component.
Key Advantages of LFT-G® PA6 LGF30 for Automotive Front-end Modules
- Higher Strength and Stiffness: Provides enhanced structural performance to support the weight of integrated components and withstand road loads and minor impacts, surpassing the capabilities of PP LGF40 in demanding applications.
- Superior Heat Resistance: Offers a higher Heat Deflection Temperature (HDT), ensuring dimensional stability and structural integrity in the elevated temperatures of the under-hood environment.
- Excellent Creep Resistance: Maintains structural integrity under sustained loads over time, crucial for long-term reliability of the FEM assembly.
- Good Impact Absorption: Contributes to managing impact energy during minor collisions, helping to protect critical components.
- Enhanced Dimensional Stability: While PA6 is known for moisture absorption, LGF reinforcement significantly improves dimensional stability compared to unfilled PA6, providing more reliable performance than some lower-grade materials.
- Resistance to Automotive Fluids: Performs reliably in contact with common under-hood fluids like coolants, oils, and road salts.
- Lightweighting Potential: Offers a significant weight reduction compared to traditional metal FEMs, contributing to fuel efficiency and performance.
- Design Integration: Excellent moldability allows for complex, multi-functional designs, reducing part count and simplifying assembly.
When your automotive front-end module application demands performance beyond the capabilities of PP LGF40, LFT-G® PA6 LGF30 provides the elevated mechanical, thermal, and environmental resistance necessary for structural integrity and long-term reliability. Our specialized LFT PA6 grades empower automotive manufacturers to develop FEMs that are stronger, lighter, more durable, and capable of integrating more functions. Explore the possibilities and partner with us to engineer the next generation of high-performance automotive structures.
For more technical data, please refer to the specification below, or
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LFT-G® PA6 LGF30 Technical Data Sheet for Automotive Front-end Modules
This document provides technical data for a 30% Long Glass Fiber reinforced Polyamide 6 (LFT-G® PA6 LGF30) material, specifically relevant for demanding automotive front-end module applications. This grade offers elevated performance characteristics compared to LFT PP grades, making it suitable for structural components in the under-hood environment. The data presented here is based on typical values obtained from international material suppliers and standards. Please refer to the specific datasheet of your program for precise LFT material values.
Mechanical Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Tensile Strength | 165-180 | MPa | ISO 527-1 |
| Tensile Modulus | 10834-11500 | MPa | ISO 527-1 |
| Elongation at Break | 1.7-2.5 | % | ISO 527-1 |
| Flexural Strength | 245-260 | MPa | ISO 178 |
| Flexural Modulus | 7900-8500 | MPa | ISO 178 |
| Notched Izod Impact Strength (+23°C) | 29-47 | kJ/m² | ISO 180/1A |
| Notched Izod Impact Strength (-30°C) | 28-45 | kJ/m² | ISO 180/1A |
| Fatigue Strength (at 106 cycles) | 40-50 | MPa | Based on Internal Testing |
Thermal Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Melting Temperature | 220-225 | °C | ISO 11357 |
|
Heat Deflection Temperature (HDT/A, 1.8 MPa) |
190-210 | °C | ISO 75-1 |
| Coefficient of Linear Thermal Expansion | 3-6 | x 10-5/K | ISO 11359 |
Other Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Density | 1.25-1.35 | g/cm³ | ISO 1183 |
| Flammability (UL 94) | HB, V-2, or V-0 (depending on grade) | - | UL 94 |
| Moisture Absorption (24 hours) | 1.0-1.5 | % | ISO 62 |
| Shrinkage Rate (Mold Shrinkage) | 0.4-0.8 | % | ASTM D-955 |
| Creep Resistance (at specific temp/load) | Good | - | ISO 899 |
Chemical Resistance (Typical)
LFT-G® PA6 LGF30 exhibits good resistance to the following substances relevant to automotive under-hood environments:
- Oils and Greases - Excellent
- Fuels - Good
- Coolants (Glycol-based) - Good
- Road Salts - Good
- Water and Humidity - Good (Note: PA6 is hygroscopic; properties can change with moisture content)
Processing Information (Typical)
Recommended processing conditions for LFT-G® PA6 LGF30 for injection molding of automotive front-end module parts:
- Melt Temperature: 240-270 °C
- Mold Temperature: 70-100 °C
- Injection Speed: Medium (optimized for fiber length retention and filling large parts)
- Holding Pressure: Optimized to minimize warpage and ensure structural integrity
- Drying: **Essential** before processing (typically 80-100 °C for 4-8 hours) due to PA6's hygroscopic nature.
Notes and Supplementary Information:
Data Source: This data is compiled based on typical values for PA6 LGF30 from international material manufacturers and standards. Fatigue and Creep resistance values are typical performance characteristics. **LFT-G® PA6 LGF30 provides the enhanced strength, stiffness, thermal performance, and environmental resistance required for challenging automotive front-end module applications, offering a significant performance step up when PP LGF grades are insufficient. Proper drying is critical for optimal processing and achieving consistent mechanical properties.** Please consult specific regulatory compliance documentation relevant to automotive structures and components. For precise and specific data for your program, please consult the datasheet provided by your material supplier.
Download Complete LFT PA6 LGF30 Data Sheet PDF
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