PBT-CF05 is a polybutylene terephthalate (PBT) reinforced with 5% carbon fiber, offering improved stiffness and strength for moderate mechanical loads. It performs well in temperatures up to 210°C and resists a variety of chemicals. Ideal for automotive, industrial, electronics, and household applications, it is processable via injection molding and extrusion.
PBT-CF05 Carbon Fiber Reinforced Polypropylene
- Model number: PBT-CF-BCA05
- Matrix Resin: polybutylene terephthalate (PBT）
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PBT-CF05 is engineered to offer a balance of mechanical performance with enhanced stiffness and strength compared to unreinforced PBT, making it suitable for applications under moderate mechanical loads.
Tensile Strength: ≥ 70 MPa
Flexural Strength: ≥ 120 MPa
Impact Strength: ≥ 3.0 kJ/m²
With 5% carbon fiber reinforcement, PBT-CF05 improves stiffness and strength, making it ideal for applications requiring moderate mechanical performance.
Thermal and Chemical Resistance
PBT-CF05 retains the excellent thermal and chemical resistance properties of pure PBT, with minimal degradation despite the addition of carbon fiber. It continues to perform reliably in moderately high-temperature environments and exposure to certain chemicals.
Heat Deflection Temperature (HDT): Approx. 210°C
Long-Term Service Temperature: Up to 210°C
Chemical Resistance: Good resistance to oils, fuels, solvents, and other common chemicals.
PBT-CF05 offers reliable performance in environments requiring moderate thermal and chemical stability.
Wear Resistance and Processing
The 5% carbon fiber content enhances PBT-CF05’s wear resistance, making it suitable for applications that experience moderate friction and abrasion. Despite the small fiber content, it remains highly processable via standard thermoplastic methods.
Wear Resistance: Good under moderate friction and stress.
Processing Methods: Suitable for injection molding and extrusion.
PBT-CF05 provides a good balance between durability, wear resistance, and processability, making it suitable for a variety of industrial applications.
Environmental Adaptability
PBT-CF05 demonstrates low moisture absorption and good dimensional stability, even under fluctuating environmental conditions.
Water Absorption: Low
Dimensional Stability: Good, even under moderate temperature and humidity fluctuations.
This ensures consistent performance in environments with moderate temperature and humidity variations.
Applications
PBT-CF05 is designed for applications requiring moderate mechanical strength, wear resistance, and chemical resistance. Typical applications include:
Automotive: Components exposed to moderate mechanical loads, vibrations, and temperatures.
Industrial Manufacturing: Parts such as bushings, seals, and electrical components under moderate wear and stress.
Electronics: Housings and connectors exposed to mechanical stress and thermal cycling.
Household Appliances: Components requiring good strength and dimensional stability.
Summary Table for PBT-CF05
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 5% |
| Tensile Strength | ≥ 70 MPa |
| Flexural Strength | ≥ 120 MPa |
| Impact Strength | ≥ 3.0 kJ/m² |
| Heat Deflection Temperature | Approx. 210°C |
| Long-Term Service Temperature | Up to 210°C |
| Chemical Resistance | Good |
| Water Absorption | Low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Good under moderate friction and stress |
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Strength between PBT and PBT-CF
PBT (Polybutylene Terephthalate) is known for its excellent mechanical properties, including good stiffness and strength, but when reinforced with carbon fiber, such as in PBT-CF, these properties are significantly enhanced. The addition of carbon fiber in PBT-CF improves its tensile strength, flexural strength, and impact resistance, making it more durable and resistant to deformation under high mechanical loads. While PBT performs well under moderate stress, PBT-CF is designed for applications requiring higher stiffness, greater structural integrity, and better wear resistance, making it ideal for more demanding environments where enhanced performance is required.
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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.
