PBT-CF50 is a high performance thermoplastic with 50% carbon fiber, offering exceptional tensile strength (≥ 200 MPa), flexural strength (≥ 350 MPa), and wear resistance. It performs well in high temperatures (HDT ~300°C) and provides excellent chemical resistance. Ideal for automotive, industrial, electronics, and household applications requiring superior durability and strength.
PBT-CF50 Custom carbon fiber parts
- Model number: PBT-CF-BCA5
- Matrix Resin: polybutylene terephthalate (PBT）
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
Mechanical Properties
PBT-CF50 is engineered for exceptional mechanical performance, with 50% carbon fiber content providing outstanding stiffness, strength, and wear resistance. It outperforms PBT-CF40 and unreinforced PBT, making it ideal for applications exposed to extreme mechanical loads and stress.
Tensile Strength: ≥ 200 MPa
Flexural Strength: ≥ 350 MPa
Impact Strength: ≥ 5.0 kJ/m²
The 50% carbon fiber content provides unparalleled mechanical strength and stiffness, making PBT-CF50 perfect for high performance applications requiring superior mechanical properties.
Thermal and Chemical Resistance
PBT-CF50 maintains the excellent thermal and chemical stability of pure PBT, even with the high carbon fiber reinforcement. It is highly reliable in environments exposed to high temperatures and aggressive chemicals.
Heat Deflection Temperature (HDT): Approx. 300°C
Long-Term Service Temperature: Up to 300°C
Chemical Resistance: Excellent resistance to oils, fuels, solvents, and other chemicals
PBT-CF50 offers superior performance in extreme thermal and chemical environments, suitable for the most demanding applications.
Wear Resistance and Processing
Thanks to the 50% carbon fiber content, PBT-CF50 provides exceptional wear resistance, maintaining its structural integrity under high friction and stress. It remains easy to process with standard thermoplastic methods.
Wear Resistance: Superior under high friction and stress
Processing Methods: Suitable for injection molding and extrusion
PBT-CF50’s durability and processability make it perfect for heavy duty industrial applications.
Environmental Adaptability
PBT-CF50 offers low moisture absorption and outstanding dimensional stability, even under fluctuating environmental conditions, ensuring reliable performance.
Water Absorption: Low
Dimensional Stability: Excellent, even with high temperature and humidity fluctuations
PBT-CF50 performs reliably in diverse environmental conditions.
Applications
PBT-CF50 is designed for high performance applications requiring superior mechanical strength, wear resistance, and chemical resistance. Some common applications include:
Automotive: Parts exposed to extreme mechanical loads, high vibrations, and elevated temperatures.
Industrial Manufacturing: Components like bushings, seals, and electrical parts exposed to heavy wear and stress.
Electronics: Housings and connectors subject to mechanical stress and thermal cycling.
Household Appliances: Parts requiring excellent strength, wear resistance, and dimensional stability.
Summary Table for PBT-CF50
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 50% |
| Tensile Strength | ≥ 200 MPa |
| Flexural Strength | ≥ 350 MPa |
| Impact Strength | ≥ 5.0 kJ/m² |
| Heat Deflection Temperature (HDT) | Approx. 300°C |
| Long-Term Service Temperature | Up to 300°C |
| Chemical Resistance | Excellent |
| Water Absorption | Low |
| Processing Methods | Injection molding, extrusion |
| Wear Resistance | Superior under 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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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.
