PEEK-CF40 is a high-performance thermoplastic with 40% carbon fiber, offering exceptional strength, stiffness, and wear resistance. It performs well in extreme temperatures (up to 340°C) and harsh chemicals, making it ideal for automotive, aerospace, and industrial applications.
High-Performance Composite Material PEEK-CF40
- Model number: PEEK-CF-BCA4
- Matrix Resin: Polyetheretherketone (PEEK)
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
PEEK-CF40 Material Overview
PEEK-CF40 is a high performance thermoplastic reinforced with 40% carbon fiber, engineered for applications that demand superior mechanical strength, enhanced dimensional stability, and increased chemical resistance. The higher carbon fiber content provides a significant boost in stiffness, wear resistance, and mechanical strength while maintaining the exceptional thermal and chemical properties of pure PEEK.
Mechanical Properties
PEEK-CF40 offers even greater mechanical performance compared to PEEK-CF30, making it ideal for demanding applications requiring extraordinary load bearing capacity and resistance to mechanical stress.
Tensile Strength: ≥ 220 MPa
Flexural Strength: ≥ 350 MPa
Impact Strength: ≥ 5.0 kJ/m²
With the 40% carbon fiber reinforcement, PEEK CF40 enhances the material’s strength, stiffness, fatigue resistance, and dimensional stability, making it suitable for extremely high stress applications.
Thermal and Chemical Resistance
PEEK CF40 maintains the excellent thermal and chemical resistance properties of pure PEEK, ensuring reliable performance in high temperature and chemically aggressive environments. The increased carbon fiber content does not significantly affect these essential properties.
Heat Deflection Temperature (HDT): Approx. 340°C
Long-Term Service Temperature: Up to 280°C
Chemical Resistance: Excellent against oils, fuels, solvents, and aggressive chemicals
PEEK CF40 performs exceptionally well in harsh environments exposed to extreme temperatures and aggressive chemicals, making it suitable for high performance industrial, automotive, and aerospace applications.
Wear Resistance and Processing
The 40% carbon fiber reinforcement significantly improves wear resistance, allowing PEEK CF40 to withstand high friction and continuous motion even better than lower carbon fiber grades. This makes it ideal for applications that demand outstanding durability and wear life.
Wear Resistance: Excellent under high friction and stress
Processing Methods: Suitable for injection molding and extrusion, but requires higher processing temperatures compared to non reinforced PEEK
PEEK CF40 offers superior processability while providing enhanced durability in wear resistant applications.
Environmental Adaptability
PEEK CF40 demonstrates exceptional environmental stability, with low moisture absorption and excellent dimensional stability, ensuring consistent performance under fluctuating temperature and humidity conditions.
Water Absorption: Very low
Dimensional Stability: Excellent, even in varying temperature and humidity environments
Applications
PEEK CF40 is perfect for applications that demand high mechanical strength, exceptional thermal and chemical stability, and superior wear resistance, such as:
Automotive: Structural components subjected to heavy mechanical loads, high temperatures, and chemical exposure
Industrial Manufacturing: High performance components like gears, bearings, bushings, and seals exposed to severe wear and high stress
Aerospace: Lightweight, high strength components with superior heat resistance and dimensional stability for aircraft and spacecraft
Electronics: Durable housings, connectors, and enclosures exposed to high temperatures and mechanical stresses
Medical Devices: Biocompatible components requiring durability and resistance to sterilization processes
Summary Table for PEEK-CF40
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 40% |
| Tensile Strength | ≥ 220 MPa |
| Flexural Strength | ≥ 350 MPa |
| Impact Strength | ≥ 5.0 kJ/m² |
| Heat Deflection Temperature | Approx. 340°C |
| Long-Term Service Temperature | Up to 280°C |
| Chemical Resistance | Excellent |
| Water Absorption | Very low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Excellent under high friction and stress |
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Strength between PEEK and PEEK-CF
PEEK offers good strength with a tensile strength of around 90-100 MPa, while PEEK-CF (carbon fiber reinforced) has significantly higher tensile strength (100-200 MPa) and flexural strength (150-250 MPa), providing greater stiffness and wear resistance. However, PEEK-CF may have slightly lower impact strength due to its brittleness from the carbon fiber reinforcement.
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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.
