PEI-LCF30 is a high performance polyetherimide (PEI) with 30% carbon fiber, offering superior strength, stiffness, and wear resistance. It excels in high load, high stress applications, with excellent thermal stability (up to 290°C) and chemical resistance. Ideal for automotive, aerospace, electronics, and medical industries, and processable via injection molding and extrusion.
PEI-LCF30 Automotive Industry Applications
- Model number: PEI-LCF-BCA3
- Matrix Resin: Polyethyleneimine (PEI）
- Reinforcing Filler: Long carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PEI-LCF30 is engineered to offer enhanced mechanical performance with greater stiffness and strength compared to its lower carbon fiber counterpart, making it suitable for more demanding applications subjected to high mechanical loads.
Tensile Strength: ≥ 180 MPa
Flexural Strength: ≥ 320 MPa
Impact Strength: ≥ 6.0 kJ/m²
The 30% carbon fiber reinforcement significantly boosts stiffness, strength, and resistance to deformation, making PEI-LCF30 ideal for applications exposed to high stress and mechanical demands.
Thermal and Chemical Resistance
PEI-LCF30 retains the excellent thermal and chemical resistance properties of pure PEI, with minimal degradation despite the increased carbon fiber content. It performs reliably in environments with high temperatures and exposure to a variety of chemicals.
Heat Deflection Temperature (HDT): Approx. 290°C
Long-Term Service Temperature: Up to 290°C
Chemical Resistance: Excellent resistance to oils, fuels, solvents, and a broad range of common chemicals.
PEI-LCF30 is highly reliable in demanding environments requiring exceptional thermal and chemical resistance.
Wear Resistance and Processing
The increased carbon fiber content (30%) further enhances PEI-LCF30’s wear resistance, making it suitable for even more demanding applications subjected to high friction and abrasive conditions. Despite the high fiber content, it is still highly processable through standard thermoplastic processing methods.
Wear Resistance: Excellent under high friction and stress.
Processing Methods: Suitable for injection molding and extrusion at temperatures similar to pure PEI.
PEI-LCF30 combines durability, wear resistance, and ease of processing, making it ideal for high performance industrial applications.
Environmental Adaptability
PEI-LCF30 demonstrates minimal moisture absorption and excellent dimensional stability, even under fluctuating environmental conditions.
Water Absorption: Low
Dimensional Stability: Excellent, even under significant temperature and humidity fluctuations.
This ensures consistent and reliable performance in environments with variable conditions.
Applications
PEI-LCF30 is designed for heavy duty applications requiring superior mechanical strength, wear resistance, and chemical resistance. Typical applications include:
Automotive: High-performance components subjected to severe mechanical loads, vibrations, and elevated temperatures.
Industrial Manufacturing: Precision components like bushings, seals, and electrical parts under high wear and stress.
Aerospace: Lightweight, high strength components for aircraft exposed to extreme temperatures and mechanical stresses.
Electronics: High strength housings and connectors exposed to mechanical stress and thermal cycling.
Medical Devices: Biocompatible components requiring superior chemical resistance, strength, and durability.
Summary Table for PEI-LCF30
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 30% |
| Tensile Strength | ≥ 180 MPa |
| Flexural Strength | ≥ 320 MPa |
| Impact Strength | ≥ 6.0 kJ/m² |
| Heat Deflection Temperature | Approx. 290°C |
| Long-Term Service Temperature | Up to 290°C |
| Chemical Resistance | Excellent |
| Water Absorption | Low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Excellent under high friction and stress |
If you want to get more information about PEI-LCF30, you can visit our Youtube.
Strength between PEI and PEI-LCF
PEI-LCF offers strong mechanical properties, excellent thermal stability, and chemical resistance for moderate-duty applications. With the addition of low carbon fiber content, PEI-LCF enhances stiffness, wear resistance, and mechanical strength, making it suitable for environments that require balanced strength and durability under moderate stress.
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Frequently Asked Questions
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What are CF Reinforced Thermoplastic Composites?
CF Reinforced Thermoplastic Composites are materials where carbon fibers are incorporated into a thermoplastic matrix. They combine the strength and stiffness of carbon fibers with the processability and recyclability of thermoplastics. For instance, they are used in automotive parts like bumper beams.
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What are the benefits of CF Reinforced Thermoplastic Composites over traditional composites?
The key benefits include faster production cycles, easier recyclability, and better impact resistance. They also offer design flexibility. An example is in the manufacturing of consumer electronics casings where complex shapes can be achieved more easily.
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How are CF Reinforced Thermoplastic Composites processed?
Common processing methods include injection molding, extrusion, and compression molding. Injection molding is widely used for mass production. For example, in the production of small components for the medical industry.
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What industries use CF Reinforced Thermoplastic Composites?
They are utilized in aerospace, automotive, medical, and sports equipment industries. In aerospace, they can be found in interior components. In the medical field, they might be used in prosthetics.
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How does the carbon fiber content affect the properties of the composites?
Higher carbon fiber content generally leads to increased strength and stiffness but may reduce ductility. A moderate content is often balanced for specific applications. For example, a higher content might be preferred in structural parts of a race car.
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What are the challenges in using CF Reinforced Thermoplastic Composites?
Challenges include higher material costs, complex processing equipment requirements, and ensuring uniform fiber dispersion. Issues with adhesion between the fibers and the matrix can also arise. An example is in achieving consistent quality in large-scale production.
