PP-CF20 polypropylene reinforced carbon fiber
- Model number: PP-CF-BAC2
- Matrix Resin: Polypropylene (PP)
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PP-CF20 is a high performance polypropylene based composite reinforced with 20% carbon fiber, delivering superior stiffness, strength, and dimensional stability compared to both unreinforced PP and lower CF content variants. The increased carbon fiber content significantly enhances mechanical durability, making it an excellent material for structural and lightweight engineering applications.
Tensile Strength: ≥ 60 MPa
Flexural Strength: ≥ 85 MPa
Impact Strength: ≥ 9.0 kJ/m²
With 20% carbon fiber reinforcement, PP-CF20 offers higher strength, improved impact resistance, and excellent weight reduction, making it a versatile solution for demanding industrial and automotive applications.
Thermal and Chemical Resistance
PP-CF20 retains the excellent thermal stability and chemical resistance of polypropylene while benefiting from the increased rigidity provided by carbon fiber reinforcement.
Heat Deflection Temperature (HDT): Approx. 130°C
Long Term Service Temperature: Up to 120°C
Chemical Resistance: Excellent resistance to oils, weak acids, and solvents, but sensitive to strong oxidizing agents
PP-CF20 ensures long term reliability in moderate temperature and chemically demanding environments, making it a durable material choice for industrial applications.
Wear Resistance and Processing
With 20% carbon fiber content, PP-CF20 provides exceptional wear resistance and low friction compared to standard PP while remaining processable with conventional methods.
Wear Resistance: Greatly enhanced over unreinforced PP
Processing Methods: Injection molding, extrusion
Due to the higher carbon fiber content, PP-CF20 may require reinforced molds and optimized processing parameters to achieve the best manufacturing results.
Environmental Adaptability
PP-CF20 demonstrates low moisture absorption and excellent dimensional stability, ensuring consistent performance in challenging environmental conditions.
Water Absorption: Very low, minimizing swelling and degradation in humid environments
Dimensional Stability: High, with minimal expansion or contraction under temperature fluctuations
Applications
PP-CF20 is a lightweight, high strength carbon fiber reinforced polypropylene, ideal for applications that demand enhanced mechanical performance, impact resistance, and chemical stability. Its high stiffness and durability make it a top choice for automotive, industrial, and consumer goods applications.
Automotive Applications
PP-CF20 is widely used in the automotive industry, where lightweight yet strong materials improve fuel efficiency and durability. It is suitable for:
Structural components requiring high mechanical strength
Brackets and housings exposed to moderate to high stress and temperature variations
Interior trims and panels needing outstanding rigidity and impact resistance
Summary Table for PP-CF20
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 20% |
| Tensile Strength | ≥ 60 MPa |
| Flexural Strength | ≥ 85 MPa |
| Impact Strength | ≥ 9.0 kJ/m² |
| Heat Deflection Temp. | Approx. 130°C |
| Long Term Service Temp. | Up to 120°C |
| Chemical Resistance | Excellent, but sensitive to strong oxidizing agents |
| Water Absorption | Very low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Greatly enhanced over unreinforced PP |
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Strength between PP and PP-CF
PP-CF exhibits significantly higher strength and stiffness compared to unreinforced PP due to the addition of carbon fiber reinforcement. While standard polypropylene (PP) is known for its flexibility and impact resistance, it lacks the rigidity and load bearing capacity required for high-performance applications. In contrast, PP-CF enhances tensile strength, flexural modulus, and dimensional stability, making it more resistant to deformation under mechanical stress. This improved performance allows PP-CF to be used in applications where higher strength-to-weight ratio and structural integrity are critical.
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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.
