PEI-LCF40 is a high-performance polyetherimide (PEI) with 40% carbon fiber, offering exceptional stiffness, strength, and wear resistance. Ideal for extreme mechanical loads, it performs well at high temperatures (up to 300°C) and resists a wide range of chemicals. Suitable for automotive, aerospace, industrial, electronics, and medical applications, and can be processed via injection molding and extrusion.
Automotive Industry Applications PEI-LCF40
- Model number: PEI-LCF-BCA4
- Matrix Resin: Polyethyleneimine (PEI）
- Reinforcing Filler: Long carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PEI-LCF40 is engineered for exceptional mechanical performance, providing even greater stiffness and strength than its 30% carbon fiber counterpart. This makes it ideal for highly demanding applications with extreme mechanical loads.
Tensile Strength: ≥ 210 MPa
Flexural Strength: ≥ 360 MPa
Impact Strength: ≥ 7.0 kJ/m²
The 40% carbon fiber reinforcement significantly enhances stiffness, strength, and resistance to deformation, making PEI LCF40 perfect for high stress, heavy duty applications.
Thermal and Chemical Resistance
PEI-LCF40 retains the excellent thermal and chemical resistance characteristics of pure PEI, with minimal degradation despite the increased carbon fiber content. It continues to perform reliably in environments with high temperatures and exposure to a wide range of chemicals.
Heat Deflection Temperature (HDT): Approx. 300°C
Long-Term Service Temperature: Up to 300°C
Chemical Resistance: Excellent resistance to oils, fuels, solvents, and various chemicals.
PEI-LCF40 is extremely reliable in harsh environments requiring superior thermal and chemical stability.
Wear Resistance and Processing
The increased 40% carbon fiber content further improves PEI LCF40’s wear resistance, making it suitable for the most demanding applications involving high friction and abrasive conditions. Despite its high fiber content, it remains highly processable via standard thermoplastic processing techniques.
Wear Resistance: Excellent under extreme friction and stress.
Processing Methods: Suitable for injection molding and extrusion at temperatures similar to pure PEI.
PEI-LCF40 combines exceptional durability, wear resistance, and ease of processing, making it perfect for high performance industrial applications.
Environmental Adaptability
PEI LCF40 has minimal moisture absorption and superior dimensional stability, even under fluctuating environmental conditions.
Water Absorption: Low
Dimensional Stability: Excellent, even under significant temperature and humidity fluctuations.
This ensures reliable and consistent performance in variable environments.
Applications
PEI LCF40 is designed for the most demanding applications requiring superior mechanical strength, wear resistance, and chemical resistance. Typical applications include:
Automotive: Critical components exposed to extreme mechanical loads, vibrations, and high temperatures.
Industrial Manufacturing: Precision parts such as bushings, seals, and electrical components under heavy wear and stress.
Aerospace: Lightweight, high strength components for aircraft exposed to severe temperatures and mechanical stresses.
Electronics: Robust housings and connectors subjected to mechanical stress and thermal cycling.
Medical Devices: Biocompatible components requiring exceptional chemical resistance, strength, and durability.
Summary Table for PEI-LCF40
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 40% |
| Tensile Strength | ≥ 210 MPa |
| Flexural Strength | ≥ 360 MPa |
| Impact Strength | ≥ 7.0 kJ/m² |
| Heat Deflection Temperature | Approx. 300°C |
| Long-Term Service Temperature | Up to 300°C |
| Chemical Resistance | Excellent |
| Water Absorption | Low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Excellent under extreme friction and stress |
If you want to get more information about PEI-LCF40, 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.
