TPU-LCF20 is a thermoplastic polyurethane composite with 20% carbon fiber reinforcement, offering a balance of flexibility, high strength, and wear resistance. It features excellent mechanical properties, including tensile strength (≥70 MPa), flexural strength (≥150 MPa), and impact resistance (≥50 kJ/m²), along with a heat deflection temperature of approximately 140°C. This material is ideal for demanding applications such as automotive parts, industrial components, and sports equipment requiring durability and moderate flexibility.
High Strength Material TPU-LCF20
- Model number: TPU-LCF-BCA2
- Matrix Resin: Thermoplastic polyurethane (TPU)
- Reinforcing Filler: Long carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
TPU-LCF20 Material Overview
TPU-LCF20 (Thermoplastic Polyurethane with 20% Carbon Fiber) is a high-performance composite material that combines the elasticity and resilience of TPU with the enhanced strength and stiffness provided by 20% carbon fiber reinforcement. This composition results in improved mechanical performance, wear resistance, and structural integrity compared to TPU-LCF10, making it ideal for demanding applications that require higher strength, wear resistance, and moderate flexibility.
Mechanical Performance
The increase to 20% carbon fiber content greatly enhances the material’s mechanical properties, providing higher tensile, flexural, and impact strength. This makes TPU LCF20 suitable for higher-stress applications compared to TPU-LCF10, while still retaining some flexibility.
- Tensile Strength: ≥ 70 MPa
- Flexural Strength: ≥ 150 MPa
- Impact Strength: ≥ 50 kJ/m²
The improved strength and stiffness allow TPU-LCF20 to be used in applications where higher mechanical performance is essential, such as load-bearing components or parts subjected to greater stress.
Thermal and Chemical Resistance
The higher carbon fiber content also enhances TPU LCF20’s thermal resistance, allowing it to perform reliably under higher temperatures and more challenging environments.
- Heat Deflection Temperature (HDT): Approx. 140°C
- Long-Term Service Temperature: Up to 110°C
- Chemical Resistance: Excellent resistance to oils, solvents, and mild acids.
Wear Resistance and Processing Characteristics
With 20% carbon fiber, TPU-LCF20 offers significantly better wear and abrasion resistance compared to TPU LCF10. This makes it suitable for components that face consistent mechanical friction or high wear conditions. However, the increase in carbon fiber may slightly reduce the flexibility and increase processing complexity.
- Wear Resistance: High resistance under moderate to high friction conditions.
- Processing Methods: Compatible with injection molding, extrusion, and 3D printing. Due to the higher carbon fiber content, processing parameters may require greater adjustments (e.g., higher temperature or pressure).
Environmental Adaptability
TPU LCF20 maintains low water absorption and excellent dimensional stability, even in humid or outdoor environments. It remains reliable in industrial applications requiring exposure to fluctuating environmental conditions.
Applications
With enhanced strength, wear resistance, and thermal stability, TPU LCF20 is ideal for a wider range of demanding applications, including:
- Automotive Industry: Load-bearing components, structural brackets, engine covers, and reinforcements.
- Consumer Electronics: Durable protective casings, housings for high-performance devices, and structural parts.
- Industrial Manufacturing: Gears, high-wear seals, structural connectors, and bearings.
- Sports Equipment: High-durability grips, frames, and load-resistant components.
Summary Table for TPU-LCF20
| Characteristic | Value/Description |
|---|---|
| Carbon Fiber Content | 20% |
| Tensile Strength | ≥ 70 MPa |
| Flexural Strength | ≥ 150 MPa |
| Impact Strength | ≥ 50 kJ/m² |
| Heat Deflection Temperature | Approx. 140°C |
| Long-Term Service Temperature | Up to 110°C |
| Chemical Resistance | Excellent resistance to oils, mild acids, solvents |
| Water Absorption | Low |
| Processing Methods | Injection molding, extrusion, 3D printing |
| Wear Resistance | High resistance under moderate to high friction |
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Friction coefficient of TPU-LCF
The friction coefficient of TPU is typically between 0.3 and 0.5, while TPU-CF, with added carbon fiber, lowers the friction coefficient to between 0.2 and 0.4. The smaller the value, the better the wear resistance. Therefore, TPU-LCF generally offers better wear resistance than pure TPU, especially under high-load conditions.
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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.
