What is PA66 CF50 ?
LFT-G® BC05B PA66 CF50 is a 50% long carbon fiber reinforced polyamide66(nylon66) Compound, also called nylon66 carbon fiber material. This is our apex carbon reinforced plastic, combining a high-temperature polyamide 66 matrix with a 50% loading of long carbon fiber. This reinforced polymer achieves unparalleled stiffness, strength, and thermal stability. The advanced carbon fiber network makes PA66 CF50 the ultimate choice for replacing die-cast metals in demanding aerospace, military, and high-performance automotive applications, especially those requiring consistent performance at elevated temperatures under extreme stress.
What is PA66-CF good for?
Long carbon fiber nylon 66 is engineered for the most extreme applications. Its higher heat deflection temperature makes it ideal for under-the-hood automotive components, high-temperature industrial machinery, and aerospace parts exposed to heat. The material's exceptional stiffness and strength are perfect for creating structural components, precision-engineered robotics, and high-end sporting goods where performance cannot be compromised.
How strong is carbon fiber nylon66?
LFT-G® BC05B PA66-CF 50 Datasheet
Mechanical PropertiesProperty |
Value |
Unit |
Test Standard |
|---|---|---|---|
| Tensile Strength | 287 | MPa | ISO 527 |
| Tensile Modulus | 33963 | MPa | ISO 527 |
| Elongation at Break | 0.8 - 1.5 | % | ISO 527 |
| Flexural Strength | 392 | MPa | ISO 178 |
| Flexural Modulus | 21918 | MPa | ISO 178 |
| Notched Izod Impact Strength (23°C) | 285 | J/m |
ISO 180
|
| Notched Charpy Impact Strength (23°C) | 31 | kJ/m² |
ISO 179
|
Other PropertiesProperty |
Value |
Unit |
Test Standard |
|---|---|---|---|
|
Specific Gravity (Density)
|
1.33 |
g/cm³
|
ISO 1183
|
|
Molding Shrinkage (Flow)
|
0.1 - 0.3 | % |
ISO 294-4
|
|
Heat Deflection Temperature (1.8MPa)
|
254 |
°C
|
ISO 75-2/A
|
|
Melt Temperature
|
270 - 300 |
°C
|
|
|
Mold temperature
|
90 - 120 |
°C
|
Disclaimer: Please note: The data provided for LFT-G® PA66 CF50 represents typical values obtained from controlled laboratory testing according to international standards. These figures are intended for reference and comparison purposes only. The final properties of a molded component can be influenced by processing parameters, part design, colorant usage, and other manufacturing variables.
Download Complete BC05B PA66-CF 50 Datasheet PDF
Processing Information
Realizing the peak performance of LFT-G® PA66 CF50 requires precise control over the injection molding process. As a high-temperature reinforced polymer, proper pre-drying is critical, and higher melt and mold temperatures (compared to PA6) are necessary to ensure a homogeneous melt and preserve the integrity of the long carbon fiber structure.

| ①Drying Time | 4-5 hours |
|
Drying Temperature |
90-120°C |
| ② Temperature Zone (Melt) | 280-310°C |
| ③Mold Temperature | 80-110°C |
Benefits Filled Long Carbon fiber
- Highest strength & modulus, directly replacing aluminum and magnesium.
- Superior thermal stability and higher HDT than PA6 composites.
- Exceptional rigidity for zero-deflection structural integrity.
- Phenomenal fatigue & creep resistance under extreme conditions.
- Ultimate strength-to-weight ratio for elite applications.
- Excellent electrical conductivity for advanced EMI/ESD protection.

What is carbon fiber nylon used for?
Carbon fiber nylon, particularly a high-temperature PA66 CF50 grade, is used for the most challenging engineering applications. In the automotive sector, its high heat resistance makes it perfect for under-the-hood components like engine covers and turbo system parts. For aerospace and defense, it is used for structural drone components and lightweight equipment. In industrial settings, it excels in high-speed, high-temperature machinery parts and robotics. This PA66 CF50 carbon fiber composite is the pinnacle material for replacing metal where strength, stiffness, and heat tolerance are non-negotiable.

Automotive Part
The extreme thermal and mechanical performance of this compound makes any PA66-CF50 part the premier solution for under-the-hood and structural automotive components.
- Engine covers and intake manifolds
- Turbocharger system components
- Cooling system parts (e.g., thermostat housings)
- Structural transmission components
- High-stress chassis and suspension brackets
- Electric vehicle (EV) motor mounts
- Frames for high-load battery modules
Carbon Fiber Bicycle Part
The unmatched stiffness-to-weight ratio of our LFT-G® PA66 CF50 carbon reinforced nylon is essential for creating flagship products in professional sports, defense, and industrial automation.
- Professional racing bicycle frames and forks
- Lightweight stocks and chassis for military firearms
- Structural arms for high-speed industrial robots
- Components for competitive rowing shells
- High-performance mountaineering equipment
- Heavy-lift drone structural components
- High-stress marine hardware

FAQ
Q: Why is the carbon fiber nylon so called?
A: It is called carbon fiber nylon because it is a composite material, specifically a `carbon reinforced plastic`. In our LFT-G®PA66 CF50, the base is a high-performance nylon (polyamide 66), which is then reinforced with strands of strong, lightweight carbon fiber.
Q:Which have carbon fiber reinforced plastic ?
A: A `carbon fiber reinforced plastic` is any polymer enhanced with carbon fibers. Our **LFT-G® PA66 CF50 exhibits exceptionally high performance because it uses the very strong, high-temperature PA66 polymer matrix combined with a high content (50%) of long carbon fibers.
Q: Can I get some carbon fiber nylon samples?
A: Yes, you can request samples. We are a direct manufacturer of advanced thermoplastic composites, including this high-performance long **carbon fiber reinforced nylon, and we welcome testing for your specific application.
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