High strength material PP-LCF20
- Model number: PP-LCF-BAC2
- Matrix Resin: Polypropylene (PP)
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PP-LCF20 is a high performance polypropylene composite reinforced with 20% long carbon fiber, offering significantly improved stiffness, strength, and dimensional stability compared to unreinforced PP. The increased long carbon fiber content enhances mechanical durability, making it ideal for lightweight structural applications.
Tensile Strength: ≥ 65 MPa
Flexural Strength: ≥ 95 MPa
Impact Strength: ≥ 9.5 kJ/m²
With 20% long carbon fiber reinforcement, PP-LCF20 provides a superior balance of strength, impact resistance, and weight reduction, making it suitable for demanding industrial and automotive applications.
Thermal and Chemical Resistance
PP-LCF20 retains excellent thermal stability and chemical resistance while benefiting from increased rigidity.
Heat Deflection Temperature (HDT): Approx. 135°C
Long Term Service Temperature: Up to 125°C
Chemical Resistance: Excellent resistance to oils, weak acids, and solvents, but sensitive to strong oxidizing agents
PP-LCF20 ensures long term stability in moderate to high temperature and chemically demanding environments.
Wear Resistance and Processing
With 20% long carbon fiber content, PP-LCF20 offers exceptional wear resistance and lower friction compared to standard PP while maintaining good processability.
Wear Resistance: Significantly improved over unreinforced PP
Processing Methods: Injection molding, extrusion
Due to its higher carbon fiber content, reinforced molds and optimized processing parameters are recommended for best results.
Environmental Adaptability
PP-LCF20 exhibits very low moisture absorption and excellent dimensional stability, ensuring consistent performance in challenging environments.
Water Absorption: Very low, minimizing swelling and degradation
Dimensional Stability: High, with minimal expansion or contraction under temperature fluctuations
Applications
PP-LCF20 is a lightweight, high strength composite ideal for applications requiring enhanced mechanical performance, impact resistance, and chemical stability. It is widely used in automotive, industrial, and consumer goods applications.
Automotive Applications
PP-LCF20 is commonly used in the automotive industry to enhance 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 superior rigidity and impact resistance
Summary Table for PP-LCF20
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 20% |
| Tensile Strength | ≥ 65 MPa |
| Flexural Strength | ≥ 95 MPa |
| Impact Strength | ≥ 9.5 kJ/m² |
| Heat Deflection Temp. | Approx. 135°C |
| Long Term Service Temp. | Up to 125°C |
| Chemical Resistance | Excellent, but sensitive to strong oxidizing agents |
| Water Absorption | Very low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Significantly 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.
