PA12-LCF40 for mechanical and functional parts
PA12-LCF40 is a high-strength, long carbon fiber reinforced Polyamide 12 composite with 40% fiber content. It offers outstanding stiffness, dimensional stability, and thermal resistance, making it ideal for structural parts exposed to high loads, heat, and chemically aggressive environments. Suitable for automotive, aerospace, industrial, and precision components requiring metal replacement performance.
- Model number: PA12-LCF-BCA4
- Matrix Resin: Polyamide12 (Nylon12) (PA12)
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
PA12-LCF40 | 40% Long Carbon Fiber Reinforced Polyamide 12
PA12-LCF40 is a structurally advanced thermoplastic composite that fuses the excellent ductility, low moisture absorption, and chemical resistance of Polyamide 12 (PA12) with 40% long carbon fiber reinforcement. This elevated fiber content delivers exceptional mechanical strength, stiffness, and thermal stability—positioning it as a high performance substitute for light metal parts in demanding applications.
With superior dimensional control, fatigue resistance, and environmental resilience, PA12-LCF40 is ideal for medium to heavy load structural components across automotive, aerospace, power tools, industrial systems, and high performance sporting equipment.
Key Advantages of PA12-LCF40
Mechanical Strength
Carbon Fiber Content: 40% (Long carbon fiber)
Tensile Strength: ≥ 115 MPa
Flexural Strength: ≥ 150 MPa
Impact Strength: ≥ 11 kJ/m²
→ Provides high load bearing capability with reliable impact resistance and shape retention under stress.
Thermal Performance
Heat Deflection Temperature (HDT): ~175°C
Continuous Use Temperature: Up to 115°C
→ Supports prolonged operation in elevated temperature environments such as under hood systems and industrial control units.
Environmental & Chemical Resistance
Moisture Absorption: Very low – maintains size and mechanical integrity in humid or submerged conditions
Chemical Resistance: Excellent – withstands fuels, oils, lubricants, and aggressive industrial chemicals
→ Excellent stability under thermal and chemical cycling.
Processing Characteristics
Molding Methods: Injection molding, extrusion
Surface Finish: Matte with visible fiber texture – tight tolerances with structural consistency
Tooling Requirements: Hardened steel molds strongly recommended; fiber friendly flow control needed
Target Applications for PA12-LCF40
Automotive
Structural brackets, pedal arms, powertrain supports
→ High mechanical and thermal performance in lightweight form
Aerospace
Mounting plates, sensor brackets, vibration resistant assemblies
→ Stable under dynamic loads and environmental variation
Industrial Machinery
High load housings, precision structural interfaces
→ Reliable under continuous mechanical cycling and lubricant exposure
Electronics
Structural casings for ruggedized electronics
→ Maintains strength and shape under thermal and chemical exposure
Consumer & Sports Equipment
Bike frame elements, drone arms, gear housing
→ Maximized stiffness to weight ratio for extreme use conditions
Performance Summary Table
| Property | Value / Description |
|---|---|
| Carbon Fiber Content | 40% (Long Carbon Fiber) |
| Tensile Strength | ≥ 115 MPa |
| Flexural Strength | ≥ 150 MPa |
| Notched Impact Strength | ≥ 11 kJ/m² |
| Heat Deflection Temp. | Approx. 175°C |
| Long Term Service Temp. | Up to 115°C |
| Water Absorption | Very Low – excellent dimensional stability |
| Chemical Resistance | Excellent – fuels, oils, solvents |
| Wear Resistance | High – suitable for friction and stress-bearing parts |
| Processing Methods | Injection molding, extrusion |
| Surface Finish | Matte – visible fiber texture possible |
| Dimensional Stability | Very High – ideal for high precision structures |
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Thermal Stability of PA12-CF
PA12-CF composites exhibit significantly enhanced thermal stability compared to standard PA12 due to the incorporation of carbon fiber. As the carbon fiber content increases, the material's ability to withstand elevated temperatures improves, allowing it to maintain mechanical properties in high-temperature environments. This enhanced heat deflection temperature makes PA12-CF suitable for applications that require reliable performance under thermal stress. The superior thermal stability ensures that components made from PA12-CF can operate effectively in demanding conditions, thereby expanding their usability across various industries, including automotive and aerospace. The combination of lightweight characteristics and improved heat resistance positions PA12-CF as an excellent choice for applications that prioritize both strength and thermal performance.
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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.
