PBT-CF10 is a polybutylene terephthalate (PBT) reinforced with 10% carbon fiber, offering enhanced stiffness, strength, and wear resistance compared to unreinforced PBT. It is suitable for applications requiring moderate to high mechanical loads, performing well in temperatures up to 220°C and resisting a variety of chemicals. PBT-CF10 is ideal for automotive, industrial, electronics, and household applications, and is processable via injection molding and extrusion.
Carbon Fiber Reinforced Polypropylene PBT-CF10
- Model number: PBT-CF-BCA1
- Matrix Resin: polybutylene terephthalate (PBT）
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PBT-CF10 is engineered to offer enhanced mechanical performance with increased stiffness and strength compared to unreinforced PBT, making it ideal for applications under moderate to high mechanical loads.
Tensile Strength: ≥ 90 MPa
Flexural Strength: ≥ 150 MPa
Impact Strength: ≥ 4.0 kJ/m²
With 10% carbon fiber reinforcement, PBT-CF10 significantly improves stiffness and strength, making it suitable for applications requiring higher mechanical performance.
Thermal and Chemical Resistance
PBT-CF10 maintains the excellent thermal and chemical resistance properties of pure PBT, with minimal degradation despite the carbon fiber reinforcement. It continues to perform reliably in environments with moderately high temperatures and exposure to various chemicals.
Heat Deflection Temperature (HDT): Approx. 220°C
Long-Term Service Temperature: Up to 220°C
Chemical Resistance: Good resistance to oils, fuels, solvents, and other common chemicals.
PBT-CF10 offers dependable performance in environments requiring moderate to high thermal and chemical stability.
Wear Resistance and Processing
The 10% carbon fiber content enhances the wear resistance of PBT-CF10, making it suitable for applications that experience moderate to high friction and abrasion. It remains highly processable through standard thermoplastic methods despite the increased fiber content.
Wear Resistance: Good under moderate to high friction and stress.
Processing Methods: Suitable for injection molding and extrusion.
PBT-CF10 strikes a balance between durability, wear resistance, and processability, making it ideal for demanding industrial applications.
Environmental Adaptability
PBT-CF10 demonstrates low moisture absorption and excellent dimensional stability, even in varying environmental conditions.
Water Absorption: Low
Dimensional Stability: Excellent, even under moderate temperature and humidity fluctuations.
This ensures reliable performance in environments with fluctuating temperatures and humidity.
Applications
PBT-CF10 is designed for applications that require increased mechanical strength, wear resistance, and chemical resistance. Typical applications include:
Automotive: Components exposed to moderate to high mechanical loads, vibrations, and temperatures.
Industrial Manufacturing: Parts like bushings, seals, and electrical components under moderate to high wear and stress.
Electronics: Housings and connectors exposed to mechanical stress and thermal cycling.
Household Appliances: Components requiring increased strength and dimensional stability.
Summary Table for PBT-CF10
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 10% |
| Tensile Strength | ≥ 90 MPa |
| Flexural Strength | ≥ 150 MPa |
| Impact Strength | ≥ 4.0 kJ/m² |
| Heat Deflection Temperature | Approx. 220°C |
| Long-Term Service Temperature | Up to 220°C |
| Chemical Resistance | Good |
| Water Absorption | Low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Good under moderate to high 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.
