PC-CF40 is a 40% carbon fiber-reinforced polycarbonate composite, offering exceptional strength, stiffness, and wear resistance. With a tensile strength of ≥140 MPa, flexural strength of ≥200 MPa, and heat deflection temperature of approx. 180°C, it is ideal for structural components, automotive parts, and high-performance applications. Its low moisture absorption and outstanding dimensional stability ensure reliable performance in humid and high-temperature environments, suitable for injection molding and extrusion (reinforced tooling required).
PC-CF40 thermoplastic polymer processing
- Model number: PC-CF-BCA4
- Matrix Resin: Polycarbonate (PC)
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PC-CF40 is a high performance polycarbonate based composite reinforced with 40% carbon fiber, delivering exceptional stiffness, strength, and dimensional stability compared to unreinforced PC and lower CF content variants. The increased carbon fiber content further enhances mechanical durability, making it suitable for structural and extreme performance applications.
Tensile Strength: ≥ 140 MPa
Flexural Strength: ≥ 200 MPa
Impact Strength: ≥ 11.0 kJ/m²
With 40% carbon fiber reinforcement, PC-CF40 provides even greater mechanical strength, superior wear resistance, and improved load bearing capacity, making it an excellent choice for high-stress applications.
Thermal and Chemical Resistance
PC-CF40 maintains the excellent thermal stability and chemical resistance of polycarbonate while benefiting from the increased rigidity and heat resistance provided by carbon fiber reinforcement.
Heat Deflection Temperature (HDT): Approx. 180°C
Long-Term Service Temperature: Up to 170°C
Chemical Resistance: Good resistance to oils, weak acids, and solvents, but sensitive to strong alkalies and certain hydrocarbons
PC-CF40 ensures long-term stability in high temperature and chemically demanding environments, making it ideal for extreme performance applications.
Wear Resistance and Processing
With 40% carbon fiber content, PC-CF40 offers exceptional wear resistance and significantly reduced friction, making it ideal for applications exposed to high mechanical stress, sliding contact, and repetitive movement.
Wear Resistance: Further improved compared to lower CF content grades and unreinforced PC
Processing Methods: Injection molding, extrusion (reinforced tooling required)
Due to the higher carbon fiber content, PC CF40 requires reinforced molds and optimized processing parameters to achieve the best manufacturing results.
Environmental Adaptability
PC-CF40 demonstrates very low moisture absorption and outstanding dimensional stability, ensuring consistent performance under variable environmental conditions.
Water Absorption: Very low, minimizing swelling and degradation in humid environments
Dimensional Stability: Exceptional, with minimal expansion or contraction under temperature and humidity fluctuations
Applications
PC-CF40 is a high strength, carbon fiber reinforced polycarbonate, ideal for applications demanding maximum mechanical performance, dimensional stability, and impact resistance. Its low moisture absorption and enhanced stiffness make it a strong choice for structural and industrial applications.
Automotive
PC-CF40 is widely used in the automotive industry, where lightweight, high strength materials enhance fuel efficiency and durability. It is suitable for:
Structural components requiring maximum mechanical strength and stiffness
Brackets and supports exposed to high stress and temperature variations
Interior trim and housings requiring exceptional rigidity and dimensional stability
Summary Table for PC-CF40
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 40% |
| Tensile Strength | ≥ 140 MPa |
| Flexural Strength | ≥ 200 MPa |
| Impact Strength | ≥ 11.0 kJ/m² |
| Heat Deflection Temp. | Approx. 180°C |
| Long-Term Service Temp. | Up to 170°C |
| Chemical Resistance | Good, but sensitive to strong alkalies and hydrocarbons |
| Water Absorption | Very low |
| Processing Methods | Injection molding, extrusion (reinforced tooling required) |
| Wear Resistance | Highly improved compared to unreinforced PC |
If you want to get more information about PC-CF40, you can visit our Youtube.
Strength between PC and PC-CF
The strength of PC-CF is higher than unreinforced PC due to the addition of carbon fiber, which enhances tensile and flexural strength, stiffness, and dimensional stability. While standard PC is known for its high impact resistance and toughness, it lacks the rigidity needed for structural applications. PC-CF, with carbon fiber reinforcement, significantly improves stiffness and load-bearing capacity while maintaining good impact resistance. However, higher carbon fiber content may slightly reduce ductility compared to pure PC. This makes PC-CF an ideal choice for applications requiring greater strength, wear resistance, and stability under mechanical 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.
