LFT-G® Long Fiber Reinforced Polypropylene for Automotive Battery Frames & Trays
Supporting Power, Enhancing Durability: The Advanced Material for Automotive Battery Structures
Modern automotive batteries, particularly in electric vehicles (EVs), represent a significant portion of the vehicle's weight and require robust, reliable support structures. The battery frame or tray is essential for securely housing the battery, providing structural support, protecting against impacts, and managing vibrations. LFT-G® PP LGF40 emerges as a high-performance material solution for crafting these critical automotive battery frames and trays. By incorporating 40% continuous long glass fibers into a high-quality polypropylene matrix, LFT-G® PP LGF40 achieves an outstanding strength-to-weight ratio, enabling the design of structures that are strong enough to bear heavy battery loads while contributing to overall vehicle lightweighting. This specialized grade of LFT PP LGF40 is expertly formulated to withstand the demanding conditions of the automotive environment, including impacts from road debris, vibrations during driving, exposure to battery fluids, and temperature variations. Its inherent resistance to chemicals and corrosion ensures long-term reliability and safety for the battery system. LFT-G® PP LGF40's excellent moldability also facilitates complex designs for integrated mounting points, cooling channels, or protective features.
Key Advantages of LFT-G® PP LGF40 for Automotive Battery Frames & Trays
- High Load-Bearing Strength: Provides the robust structural support required to securely hold heavy automotive batteries, including large EV battery packs.
- Excellent Impact Resistance: Offers superior toughness to protect the battery from road debris, impacts, and potential collision forces.
- Effective Vibration Damping: Helps absorb road vibrations, contributing to the longevity and performance of the battery cells and overall system.
- Chemical and Corrosion Resistance: Inherently resistant to battery acids, electrolytes, automotive fluids, and road salts, ensuring durability in harsh under-vehicle environments.
- Lightweight Design: Enables significant weight reduction compared to traditional metal battery support structures, enhancing vehicle range and efficiency.
- Dimensional Stability: Maintains shape and integrity across a wide range of operating temperatures encountered in automotive applications.
- Design Freedom and Integration: Excellent moldability allows for complex designs with integrated features, optimizing space utilization and simplifying assembly.
By choosing **LFT-G® PP LGF40** for your automotive battery frames and trays, you are investing in a material that delivers a superior combination of strength, lightweight design, and environmental resistance. Our specialized LFT PP grades empower automotive manufacturers to develop battery support structures that are more robust, more efficient, and contribute to the safety and performance of modern vehicles, including the growing segment of EVs. Explore the possibilities and partner with us to engineer the next generation of high-performance automotive battery solutions.
For more technical data, please refer to the specification below, or
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LFT-G® PP LGF40 Technical Data Sheet for Automotive Battery Frames & Trays
This document provides technical data for a 40% Long Glass Fiber reinforced Polypropylene (LFT-G® PP LGF40) material, specifically engineered for demanding automotive battery frame and tray applications. This material is designed to provide the structural support, impact protection, and environmental resistance required for modern vehicle battery systems, including those in electric vehicles. 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 | 150-170 | MPa | ISO 527-1 |
| Tensile Modulus | 7500-9000 | MPa | ISO 527-1 |
| Elongation at Break | 1.7-2.5 | % | ISO 527-1 |
| Flexural Strength | 180-220 | MPa | ISO 178 |
| Flexural Modulus | 6000-8000 | MPa | ISO 178 |
| Notched Izod Impact Strength (+23°C) | 35-56 | kJ/m² | ISO 180/1A |
| Notched Izod Impact Strength (-30°C) | 35-54 | kJ/m² | ISO 180/1A |
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 | 1.20-1.23 | 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 under-hood and under-vehicle environments:
- Battery Acid (Diluted Sulfuric Acid) - Good
- Electrolytes - Good
- Oils and Greases - Fair to Good
- Road Salts - Excellent
- Water and Humidity - Excellent
- Coolants (Glycol-based) - Good
Processing Information (Typical)
Recommended processing conditions for LFT-G® PP LGF40 for injection molding of automotive battery frames and trays:
- Melt Temperature: 200-240 °C
- Mold Temperature: 30-60 °C
- Injection Speed: Medium to High (optimized for fiber length retention and filling large, complex parts)
- Holding Pressure: Optimized to minimize warpage and ensure structural integrity under load
Notes and Supplementary Information:
Data Source: This data is compiled based on typical values for PP LGF40 from international material manufacturers and standards. Creep resistance is a typical performance characteristic. **LFT-G® PP LGF40 offers an excellent combination of high strength, stiffness, impact resistance, creep resistance, and chemical resistance to battery fluids and automotive chemicals. These properties, coupled with its lightweight nature, make it a highly suitable material for the demanding application of automotive battery frames and trays, contributing to vehicle safety, durability, and efficiency.** Please consult specific regulatory compliance documentation relevant to automotive battery mounting and safety standards. For precise and specific data for your program, including load-bearing performance for specific designs, please consult the datasheet provided by your material supplier.
Download Complete LFT PP LGF40 Data Sheet PDF
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