What is carbon fiber nylon66: long carbon fiber nylon66 composite.
A carbon fiber nylon 66 composite is a high-performance engineering thermoplastic created by reinforcing a Polyamide 66 (PA66) matrix with carbon fibers (CF). The PA66 resin itself is a premier polymer, prized for its high strength, excellent thermal stability, and superior wear resistance. When infused with carbon fibers-which are renowned for their extreme stiffness, high tensile strength, and exceptionally low density-the resulting composite achieves a level of performance far exceeding that of unreinforced or even glass-filled plastics. This synergy makes carbon fiber nylon 66 a material of choice for lightweight, high-strength structural components.
However, the ultimate capability of this composite is dictated by the length of the carbon fibers. LFT-G® PA66 CF40 represents the apex of this technology, utilizing Long Carbon Fiber Technology (LFT). Unlike conventional Short Carbon Fiber (SCF) composites, the "long fiber" in LFT-G® PA66 CF40 (a 40% long carbon fiber nylon66) forms an integral, interlocking 3D skeletal network within the PA66 matrix. This LCF structure is paramount for maximizing mechanical properties, delivering vastly superior impact strength, exceptional fatigue endurance, and metal-like stiffness at a fraction of the density. This positions LFT-G® PA66 CF40 as a premier choice for replacing metals like aluminum, magnesium, and even steel in the most demanding applications.
How strong is CF nylon?
LFT-G® PA66-CF40 Datasheet
Mechanical PropertiesProperty |
Typical Value |
Unit |
Test Standard |
|---|---|---|---|
| Tensile Strength | 270 - 300 | MPa | ISO 527-1/-2 |
| Tensile Modulus | 31,000 - 33,000 | MPa | ISO 527-1/-2 |
| Elongation at Break | 0.7 - 1.5 | % | ISO 527-1/-2 |
| Flexural Strength | 370 - 410 | MPa | ISO 178 |
| Flexural Modulus | 19,000 - 23,000 | MPa | ISO 178 |
| Notched Izod Impact Strength (23°C) | 40 - 60 | kJ/m² |
ISO 180/1A
|
Other Properties
| Property | Typical Value | Unit | Test Standard |
|---|---|---|---|
|
Density
|
1.31 - 1.32 |
g/cm³
|
ISO 1183
|
|
Linear Mold Shrinkage (Flow / Transverse)
|
0.1-0.2 / 0.2-0.4 | % |
ISO 294-4 |
|
Heat Deflection Temperature (1.8 MPa) |
255 - 260 | °C |
ISO 75-2/A
|
| Melting Temperature (DSC) | 260 - 295 | °C | ISO 11357-3 |
Download Complete PA66 CF40 Data Sheet PDF
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Core Advantages of Carbon fiber Nylon66
LFT-G® PA66 CF40 is engineered as a transformative metal replacement solution. The key to its superior performance lies in the 40% long carbon fibers that form an interconnected, skeletal network within the robust Polyamide 66 matrix. This structure is fundamentally better at dissipating energy and distributing stress compared to the random dispersion of short fibers. For your applications, this unlocks the following core advantages:
- Ultimate Specific Strength & Stiffness (Metal-Class Performance)
- Extreme Rigidity & Minimal Deflection Under Load
- Maximum Lightweighting Potential for Metal Replacement
- Superior Long-Term Fatigue & Creep Resistance
- Exceptional Dimensional Stability & Near-Zero CTE
- Excellent High-Temperature Structural Integrity
- Customizable Electrical & Thermal Conductivity
- Inherent Wear & Abrasion Resistance of PA66 Matrix
What is carbon fiber nylon66 used for?
The extreme performance profile of LFT-G® PA66 CF40 makes it a critical enabling material for the most challenging applications where metal replacement delivers significant advantages in weight, performance, and design freedom.
Automotive Part
In the automotive industry, LFT-G® PA66 CF40 is specified for high-stress structural and under-the-hood applications requiring maximum performance. Specific parts include: suspension components like control arms and links that demand high stiffness and fatigue resistance; lightweight chassis reinforcements and cross-car beams; high-temperature powertrain components such as transmission clutch forks and engine brackets; and structural elements within electric vehicle (EV) battery packs and power electronics housings where strength, thermal management, and EMI shielding capabilities are crucial.
Aero industrial Part
For aerospace, industrial machinery, and robotics, LFT-G® PA66 CF40 provides unparalleled performance for lightweight structural components. It is used to manufacture lightweight yet incredibly rigid robotic end-effectors (grippers), end-of-arm tooling (EOAT), and structural arms where low inertia and high precision are critical. Other applications include components for high-speed manufacturing equipment like picker arms that must operate with minimal deflection, and durable, dimensionally stable jigs and fixtures for manufacturing and metrology. Its ability to replace machined aluminum offers significant cost and lead time advantages.
UAV Propeller Part
The aerospace and Unmanned Aerial Vehicle (UAV) industries rely heavily on LFT-G® PA66 CF40 for its exceptional specific strength. It is the ideal material for high-performance drone propellers, which must be extremely stiff to maintain their aerodynamic profile at high rotational speeds for maximum efficiency and thrust. Beyond propellers, it is used for the entire UAV airframe, including structural arms, main body chassis, landing gear struts, and gimbal components for camera systems. The material's low weight maximizes flight endurance and payload capacity, while its high fatigue resistance ensures reliability during demanding flight operations.
LFT-G®PA66 CF40 VS. Other Materials
Understanding how LFT-G® PA66 CF40 compares to other common engineering materials is key to smart material selection.
| Property |
LFT-G® PA66 CF40(LCF40) |
PA66 SCF40 | Die-Cast Aluminum | High-Strength Steel |
|---|---|---|---|---|
| Density (g/cm³) | ~1.31 | ~1.28 | ~2.70 | ~7.85 |
| Tensile Strength (MPa) | ~280 | ~240 | ~310 | ~700 |
| Impact Strength (Notched Izod, kJ/m²) | ~50 | ~15 | N/A (Ductile) | N/A (Ductile) |
| Specific Strength (Strength/Density, kNm/kg) | ~215 | ~188 | ~115 | ~89 |
| Flexural Modulus (GPa) | ~25 | ~25 | ~69 | ~200 |
Frequently Asked Questions (FAQ)
Q: Is nylon66 LCF stronger than nylon66 CF?
A: "LCF" (Long Carbon Fiber) is a specific type of "CF" (Carbon Fiber). The more precise comparison is between LCF and SCF (Short Carbon Fiber). In this context, yes, LCF composites like LFT-G® PA66 CF40 are significantly "stronger" in key areas. They exhibit vastly superior impact strength, fatigue endurance, and often higher tensile and flexural strength compared to their SCF counterparts due to the robust internal fiber network.
Q: What is different of nylon 6 and nylon66?
A: Nylon 6 (PA6) and Nylon 66 (PA66) are both polyamides, but PA66 has a more ordered molecular structure, giving it a higher melting point, greater strength, superior stiffness, and better thermal stability. That is why LFT-G® PA66 CF40 is chosen for the most demanding high-temperature, high-stress applications over PA6-based alternatives.
Q: How about your package?
A: Our materials, including LFT-G® PA66 CF40, are typically supplied in 25kg moisture-proof, foil-lined bags to ensure they arrive in optimal condition for processing. These bags are then palletized and securely stretch-wrapped for shipment. For large volume orders, bulk packaging options such as octabins or super sacks can be arranged. Please contact us to discuss your specific packaging requirements.
Why choose US
Partner with the Experts in Long Fiber Technology
✓ Uncompromising Quality: Our LFT-G® PA66 CF40 is produced under strict IATF 16949 certified quality control systems, ensuring batch-to-batch consistency for critical applications.
✓ Collaborative Technical Support: We provide expert guidance on material selection, part design optimization for LCF composites, mold flow analysis, and processing support.
✓ Custom Formulation Expertise: We can develop custom LFT-G® PA LCF formulations with tailored properties, including varying fiber contents, lubrication, and heat stabilization packages.
✓ Reliable Global Supply Chain: With robust production capabilities and an agile supply chain, we ensure your production lines remain operational.
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