Dimensional stability of PA12-LCF60 in humid environments
PA12-LCF60 is an ultra-high-strength thermoplastic composite reinforced with 60% long carbon fiber, delivering exceptional stiffness, thermal resistance (~185°C HDT), and dimensional stability. With extremely low moisture absorption and outstanding chemical resistance, it is ideal for replacing metal in high-load, high-heat environments across automotive, aerospace, and industrial applications.
- Model number: PA12-LCF-BCA5
- Matrix Resin: Polyamide12 (Nylon12) (PA12)
- Reinforcing Filler: Carbon fiber
- Appearance: Granules
- Grade: Injection/extrusion grade
- Packaging: 25kgs/bag
PA12-LCF60 | 60% Long Carbon Fiber Reinforced Polyamide 12
PA12-LCF60 is an ultra-high-strength, high-modulus thermoplastic composite that integrates the toughness, chemical resistance, and low moisture uptake of Polyamide 12 (PA12) with 60% long carbon fiber reinforcement. This extreme fiber loading maximizes stiffness, tensile and flexural strength, and thermal performance—positioning PA12-LCF60 as a premium lightweight alternative to cast aluminum and other structural metals in the harshest operating conditions.
Engineered for maximum structural load and dimensional accuracy, PA12-LCF60 delivers outstanding fatigue resistance and stability in thermally and chemically aggressive environments. It is ideal for next-generation automotive, aerospace, industrial, and performance-driven consumer applications requiring unmatched mechanical endurance and precision.
Key Advantages of PA12-LCF60
Mechanical Strength
Carbon Fiber Content: 60% (Long carbon fiber)
Tensile Strength: ≥ 145 MPa
Flexural Strength: ≥ 190 MPa
Impact Strength: ≥ 13 kJ/m²
→ Peak mechanical rigidity and strength for the most demanding applications under continuous stress.
Thermal Performance
Heat Deflection Temperature (HDT): ~185°C
Continuous Use Temperature: Up to 125°C
→ Withstands prolonged thermal exposure in high friction or high temperature operating zones.
Environmental & Chemical Resistance
Moisture Absorption: Extremely low – ensures dimensional stability in wet and humid environments
Chemical Resistance: Outstanding – highly resistant to fuels, oils, greases, and corrosive chemicals
→ Maintains material integrity even in extreme exposure conditions.
Processing Characteristics
Molding Methods: Injection molding, extrusion
Surface Finish: Matte with pronounced fiber texture – tight dimensional control
Tooling Requirements: Hardened steel molds required; optimized flow control essential for fiber integrity
Target Applications for PA12-LCF60
Automotive
Chassis mounts, crash structures, load arms
→ Extreme strength to weight performance for next gen mobility solutions
Aerospace & UAV
High-stiffness structural panels, airframe components
→ Replaces light metals with corrosion resistant composite performance
Industrial Equipment
Reinforced tool housings, high pressure structural connectors
→ Durable under fatigue, heat, and lubricant exposure
High-Performance Consumer Goods
Competitive sports gear, robotics frames
→ Best in class stiffness and toughness in lightweight form
Performance Summary Table
| Property | Value / Description |
|---|---|
| Carbon Fiber Content | 60% (Long Carbon Fiber) |
| Tensile Strength | ≥ 145 MPa |
| Flexural Strength | ≥ 190 MPa |
| Notched Impact Strength | ≥ 13 kJ/m² |
| Heat Deflection Temp. | Approx. 185°C |
| Long Term Service Temp. | Up to 125°C |
| Water Absorption | Extremely Low – excellent dimensional control |
| Chemical Resistance | Outstanding – fuels, oils, solvents |
| Wear Resistance | Very High – ideal for load/friction use |
| Processing Methods | Injection molding, extrusion |
| Surface Finish | Matte – visible carbon fiber texture |
| Dimensional Stability | Maximum – for structural precision parts |
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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.
