PEI-CF40 is a high performance thermoplastic reinforced with 40% carbon fiber, offering exceptional strength, wear resistance, and chemical stability. Ideal for extreme, high-stress environments, it performs well in aerospace, automotive, and electronics applications. It also boasts excellent thermal resistance and low moisture absorption, with easy processing via injection molding and extrusion.
PEI-CF40 Carbon Fiber Reinforced Plastic
- Model number: PEI-CF-BCA4
- Matrix Resin: Polyethyleneimine (PEI）
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PEI-CF40 is engineered for extreme mechanical performance with even higher stiffness and strength than its 30% counterpart. This makes it suitable for applications that are subjected to the most intense mechanical loads.
Tensile Strength: ≥ 190 MPa
Flexural Strength: ≥ 340 MPa
Impact Strength: ≥ 5.5 kJ/m²
The 40% carbon fiber reinforcement significantly improves resistance to deformation, ensuring excellent performance in high load, high stress applications.
Thermal and Chemical Resistance
PEI-CF40 maintains the excellent thermal and chemical resistance properties of pure PEI, with minimal degradation due to the carbon fiber reinforcement. It is highly suitable for applications exposed to extreme temperatures and aggressive chemicals.
Heat Deflection Temperature (HDT): Approx. 280°C
Long-Term Service Temperature: Up to 280°C
Chemical Resistance: Excellent resistance to oils, fuels, solvents, and a wide variety of chemicals.
This material excels in high temperature and chemically demanding environments, where durability and stability are crucial.
Wear Resistance and Processing
With its higher carbon fiber content, PEI CF40 offers outstanding wear resistance, making it ideal for applications exposed to extreme friction or abrasive conditions. Despite its increased carbon content, it remains highly processable through standard thermoplastic methods.
Wear Resistance: Exceptional under extreme friction and high stress conditions.
Processing Methods: Suitable for injection molding and extrusion at temperatures similar to those used for pure PEI.
PEI-CF40 provides long-lasting durability while maintaining ease of processing, making it perfect for demanding industrial applications.
Environmental Adaptability
PEI-CF40 demonstrates minimal moisture absorption and excellent dimensional stability even under the most challenging environmental conditions.
Water Absorption: Extremely low
Dimensional Stability: Excellent, even with temperature and humidity fluctuations.
This ensures reliable performance in a variety of tough environmental conditions.
Applications
PEI-CF40 is designed for the most demanding, high performance applications requiring superior mechanical strength, wear resistance, and chemical resistance. Typical applications include:
Automotive: High performance components exposed to extreme mechanical loads, vibrations, and high temperatures.
Industrial Manufacturing: Critical components like bearings, bushings, and electrical parts exposed to severe wear and stress.
Aerospace: Lightweight, ultra strong components for aircraft requiring excellent dimensional stability and high temperature performance.
Electronics: Housings, connectors, and enclosures exposed to significant mechanical stress and extreme thermal cycling.
Medical Devices: Biocompatible components requiring superior chemical resistance, high stability under sterilization, and exceptional mechanical performance.
Summary Table for PEI-CF40
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 40% |
| Tensile Strength | ≥ 190 MPa |
| Flexural Strength | ≥ 340 MPa |
| Impact Strength | ≥ 5.5 kJ/m² |
| Heat Deflection Temperature | Approx. 280°C |
| Long-Term Service Temperature | Up to 280°C |
| Chemical Resistance | Excellent |
| Water Absorption | Extremely low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Exceptional under extreme friction and stress |
If you want to get more information about PEI-CF40, you can visit our Youtube.
Strength between PEI and PEI-CF
PEI offers strong mechanical properties, excellent thermal stability, and chemical resistance for moderate duty applications. PEI-CF, with added carbon fiber, significantly enhances stiffness, wear resistance, and mechanical strength, making it ideal for high performance environments that require superior strength and durability under 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.
