High temperature resistance material PP-CF40
- Model number: PP-CF-BAC4
- Matrix Resin: Polypropylene (PP)
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PP-CF40 is a high-performance polypropylene composite reinforced with 40% carbon fiber, delivering maximum stiffness, strength, and dimensional stability compared to unreinforced PP and lower CF content variants. The increased carbon fiber content significantly enhances mechanical durability, making it an ideal material for high strength structural and lightweight engineering applications.
Tensile Strength: ≥ 90 MPa
Flexural Strength: ≥ 130 MPa
Impact Strength: ≥ 12.0 kJ/m²
With 40% carbon fiber reinforcement, PP-CF40 provides exceptional mechanical strength, superior impact resistance, and excellent weight reduction, making it suitable for demanding industrial and automotive applications.
Thermal and Chemical Resistance
PP-CF40 retains excellent thermal stability and chemical resistance, benefiting from the increased rigidity provided by carbon fiber reinforcement.
Heat Deflection Temperature (HDT): Approx. 150°C
Long-Term Service Temperature: Up to 140°C
Chemical Resistance: Excellent against oils, weak acids, and solvents, but sensitive to strong oxidizing agents
PP-CF40 ensures long-term stability in high temperature and chemically demanding environments, making it a reliable and durable material choice.
Wear Resistance and Processing
With 40% carbon fiber content, PP-CF40 provides outstanding wear resistance and lower friction compared to standard PP while remaining processable using conventional methods.
Wear Resistance: Highly improved over unreinforced PP
Processing Methods: Injection molding, extrusion
Due to the higher carbon fiber content, reinforced molds and optimized processing parameters are recommended to achieve the best manufacturing results.
Environmental Adaptability
PP-CF40 demonstrates very low moisture absorption and outstanding dimensional stability, ensuring consistent performance in challenging environmental conditions.
Water Absorption: Very low, minimizing swelling and degradation in humid environments
Dimensional Stability: Excellent, with minimal expansion or contraction under temperature fluctuations
Applications
PP-CF40 is a high strength, lightweight composite, perfect for applications requiring maximum mechanical performance, impact resistance, and chemical stability. Its high stiffness and durability make it a top choice for automotive, industrial, and structural applications.
Automotive Applications
PP-CF40 is widely used in automotive engineering, where lightweight yet strong materials enhance fuel efficiency and durability. It is suitable for:
Structural components requiring high mechanical strength
Brackets and housings exposed to high stress and temperature variations
Interior trims and panels needing outstanding rigidity and impact resistance
Summary Table for PP-CF40
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 40% |
| Tensile Strength | ≥ 90 MPa |
| Flexural Strength | ≥ 130 MPa |
| Impact Strength | ≥ 12.0 kJ/m² |
| Heat Deflection Temp. | Approx. 150°C |
| Long-Term Service Temp. | Up to 140°C |
| Chemical Resistance | Excellent, but sensitive to strong oxidizing agents |
| Water Absorption | Very low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Highly improved 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.
