LFT-G® Long Fiber Reinforced Polypropylene for Automotive Brake Pedal Assemblies
Engineered for Safety: High-Strength PP LGF40 for Automotive Brake Pedals
The brake pedal assembly is one of the most critical safety components in any vehicle, directly linking the driver to the braking system. It requires materials capable of withstanding extreme, repetitive forces and maintaining absolute reliability over millions of cycles. **LFT-G® PP LGF40** emerges as a high-performance material solution for crafting robust and lightweight automotive brake pedal assemblies. By incorporating 40% continuous long glass fibers into a high-quality polypropylene matrix, LFT-G® PP LGF40 delivers a superior combination of very high strength, stiffness, and outstanding fatigue resistance. This specialized grade of LFT PP LGF40 is expertly formulated to reliably transmit the significant forces applied during braking, ensuring consistent and predictable performance throughout the vehicle's lifespan. Its excellent fatigue properties make it ideal for enduring the high number of stress cycles a brake pedal undergoes. Furthermore, LFT-G® PP LGF40 contributes to significant vehicle lightweighting compared to traditional metal pedal assemblies, improving fuel efficiency and handling. It offers good dimensional stability within the cabin's temperature and humidity variations and facilitates complex designs with integrated features for simplified assembly.
Key Advantages of LFT-G® PP LGF40 for Automotive Brake Pedal Assemblies
- Very High Strength and Stiffness: Provides the essential structural integrity to withstand the intense forces applied during emergency braking situations, ensuring reliable safety performance.
- Exceptional Fatigue Resistance: Engineered to perform reliably over millions of braking cycles, guaranteeing long-term durability and consistent pedal feel.
- Excellent Impact Resistance: Contributes to the overall safety of the pedal assembly by providing resistance to potential impacts in crash scenarios.
- Significant Lightweighting: Offers substantial weight reduction opportunities compared to metal constructions, improving vehicle dynamics and fuel efficiency.
- Dimensional Stability: Maintains precise geometry under varying cabin temperatures and humidity, ensuring consistent and reliable pedal operation.
- Design Flexibility and Integration: Excellent moldability allows for the creation of complex, multi-functional pedal assembly designs, reducing part count and simplifying manufacturing.
By specifying LFT-G® PP LGF40 for your automotive brake pedal assemblies, you are choosing a material that meets the highest standards for strength, durability, and safety in this vital application. Our specialized LFT PP grades empower automotive manufacturers to develop brake pedal assemblies that are lighter, stronger, more fatigue-resistant, and contribute to enhanced vehicle safety and performance. Explore the possibilities and partner with us to engineer the next generation of high-performance automotive braking systems.
For more technical data, please refer to the specification below, or
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LFT-G® PP LGF40 Technical Data Sheet for Automotive Brake Pedal Assemblies
This document provides technical data for a 40% Long Glass Fiber reinforced Polypropylene (LFT-G® PP LGF40) material, specifically engineered for the high-strength, high-fatigue demands of automotive brake pedal assemblies. This material is designed to provide the structural integrity, durability, and lightweighting capabilities required for this safety-critical component. 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 | 150-180 | MPa | ISO 527-1 |
| Tensile Modulus | 7000-9000 | MPa | ISO 527-1 |
| Elongation at Break | 1.7-2.5 | % | ISO 527-1 |
| Flexural Strength | 180-220 | MPa | ISO 178 |
| Flexural Modulus | 6500-8000 | MPa | ISO 178 |
| Notched Izod Impact Strength (+23°C) | 32-55 | kJ/m² | ISO 180/1A |
| Notched Izod Impact Strength (-30°C) | 31-54 | kJ/m² | ISO 180/1A |
| Fatigue Strength (at 106 cycles) | 50-60 | MPa | Based on Internal Testing |
Thermal Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Melting Temperature | 210-250 | °C | ISO 11357 |
|
Heat Deflection Temperature (HDT/A, 1.8 MPa) |
150-160 | °C | ISO 75-1 |
| Coefficient of Linear Thermal Expansion | 4-6 | x 10-5/K | ISO 11359 |
Other Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Density | 1.20-1.22 | g/cm³ | ISO 1183 |
| Flammability (UL 94) | HB or V-2 (depending on grade) | - | UL 94 |
| Moisture Absorption (24 hours) | <0.05 | % | ISO 62 |
| Shrinkage Rate (Mold Shrinkage) | 0.5-1.0 | % | ASTM D-955 |
| Creep Resistance (at specific temp/load) | Good | - | ISO 899 |
Chemical Resistance (Typical)
LFT-G® PP LGF40 exhibits good resistance to the following substances relevant to automotive interior/footwell environments:
- Water and Humidity - Excellent
- Sweat - Good
- Common Interior Cleaning Agents - Good
- Oils and Greases - Fair to Good
- Brake Fluid (limited contact) - Fair
Processing Information (Typical)
Recommended processing conditions for LFT-G® PP LGF40 for injection molding of automotive brake pedal assemblies:
- Melt Temperature: 200-240 °C
- Mold Temperature: 30-60 °C
- Injection Speed: Medium (optimized for fiber length retention and structural performance)
- Holding Pressure: Optimized to minimize warpage and ensure structural integrity and fatigue performance
Notes and Supplementary Information:
Data Source: This data is compiled based on typical values for PP LGF40 from international material manufacturers and standards. Fatigue and Creep resistance values are typical performance characteristics for this material class. **LFT-G® PP LGF40 is specifically engineered to provide the very high strength, stiffness, and exceptional fatigue and creep resistance required for the safety-critical application of automotive brake pedal assemblies. Its dimensional stability under varying conditions and lightweight nature contribute to enhanced vehicle safety and performance.** Please consult specific regulatory compliance documentation relevant to automotive braking systems and safety standards. For precise and specific data for your program, please consult the datasheet provided by your material supplier.
Download Complete LFT Data Sheet PDF
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