TPU-CF20 is a high performance thermoplastic polyurethane composite reinforced with 20% short carbon fiber. It combines excellent flexibility, abrasion resistance, and chemical durability with significantly enhanced stiffness, dimensional stability, and load bearing capability. Ideal for semi structural components in automotive, industrial, and sports applications, TPU-CF20 performs reliably in dynamic, high-friction, and chemically demanding environments.
TPU-CF20 3D printing applications
- Model number: TPU-CF-BCA2
- Matrix Resin: Thermoplastic polyurethane (TPU)
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
TPU-CF20 | 20% Carbon Fiber Reinforced Thermoplastic Polyurethane
TPU-CF20 is a high-performance thermoplastic elastomer engineered for structural integrity and mechanical resilience. It blends the inherent flexibility and wear resistance of Thermoplastic Polyurethane (TPU) with 20% short carbon fiber reinforcement, delivering a significant boost in stiffness, strength, and dimensional control—without fully sacrificing the elastomeric properties that make TPU so versatile.
This advanced composite material is optimized for demanding environments involving continuous load, impact, friction, and exposure to chemicals. With elevated fiber loading, TPU-CF20 becomes an ideal material for semi structural applications that require both toughness and form stability across automotive, robotics, industrial, and consumer sectors.
Key Advantages of TPU-CF20
Mechanical Strength
Carbon Fiber Content: 20% (Short carbon fiber)
Tensile Strength: ≥ 60 MPa
Elongation at Break: ≥ 100%
Shore Hardness: ~92A
→ Significantly enhanced mechanical strength and rigidity while preserving essential elasticity for dynamic use.
Thermal Performance
Heat Deflection Temperature (HDT): ~100°C
Continuous Use Temperature: Up to 85°C
→ Suitable for applications requiring sustained mechanical performance under moderate to elevated temperatures.
Environmental & Chemical Resistance
Moisture Absorption: Very low – ensures consistent performance in wet, humid, or submerged conditions
Chemical Resistance: Excellent – with strong resistance to oils, fuels, greases, and a variety of industrial chemicals
→ Enables long term deployment in chemically aggressive and mechanically abrasive environments.
Processing Characteristics
Molding Methods: Injection molding, extrusion, 3D filament extrusion
Surface Finish: Matte to rough texture depending on processing and fiber orientation
Tooling Requirements: Requires well controlled flow and venting; standard steel molds with enhanced abrasion resistance recommended
Target Applications for TPU-CF20
Automotive
High load NVH isolators, drivetrain seals, structural damping elements
→ Withstands harsh thermal, mechanical, and vibration conditions in powertrain and chassis zones.
Robotics & Automation
Load-bearing joint sleeves, flexible structural panels, actuator casings
→ Combines flexibility with superior load resistance for precision movement and structural reinforcement.
Industrial Systems
Reinforced bellows, protective cable routing components, semi rigid coupling devices
→ Performs reliably under mechanical stress, continuous bending, and exposure to industrial fluids.
Consumer & Protective Equipment
Rigid flex wearable supports, high durability footwear plates, extreme use sports gear
→ Exceptional balance of strength, impact absorption, and environmental durability.
Performance Summary Table
| Property | Value / Description |
|---|---|
| Carbon Fiber Content | 20% (Short Carbon Fiber) |
| Tensile Strength | ≥ 60 MPa |
| Elongation at Break | ≥ 100% |
| Shore Hardness | ~92A |
| Heat Deflection Temp. | Approx. 100°C |
| Long Term Service Temp. | Up to 85°C |
| Water Absorption | Very Low – maintains strength and dimensional stability |
| Chemical Resistance | Excellent – oils, fuels, greases, solvents |
| Wear Resistance | Extremely High – ideal for abrasion and fatigue |
| Processing Methods | Injection molding, extrusion, 3D printing |
| Surface Finish | Matte/rough – carbon texture may be visible |
| Dimensional Stability | Strongly Enhanced – suitable for semi structural components |
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Friction coefficient of PA12-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-CF 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.
