LFT-G® PA6 CF40 BC04A Material
| Product Name |
LFT-PA6 CF40 BC04A Carbon fiber Nylon6 Compound |
|
Model No
Matrix Resin Brand |
LFT-PA6-BC04A LFT-PA6+LCF40% Polyamide 6 LFT-G® |
| Filled Fiber Type | 40% Long Carbon Fiber (Toray's) |
| Delivery Form | Pellets |
| Processing | Injection Molding |
| Special Features |
High Flexural Strength, a very High Modulus, good wear resistance, and an extremely lightweight profile, making it a premier choice to replace metal parts. |
What Is PA6 CF40 ?
LFT-G® BC04A PA6 CF40 is a 40% long carbon fiber (Toray's) reinforced polyamide6(nylon6) Compound. The addition of 40% long carbon fibers significantly enhances the mechanical properties of PA6. This includes increased strength, stiffness, and resistance to creep and fatigue compared to unfilled PA6 or PA6 with short carbon fiber reinforcement. It is the definitive lightweight solution when you need to replace metal parts in automotive, industrial, and high-end sporting goods where structural integrity cannot be compromised.
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How Strong Is nylon carbon fiber material?
LFT-G® BC04A PA6-CF40 Datasheet VS Other Material
Mechanical PropertiesProperty |
LFT-G® PA6-CF40 (Long Fiber) |
Short fiber PA6-CF40 |
Aluminum (6061-T6) |
Unit |
Test Standard |
|---|---|---|---|---|---|
| Tensile Strength | 269 | 248 | 310 | MPa | ISO 527 |
| Flexural Strength | 382 | 348 | 276 | MPa | ISO 178 |
| Flexural Modulus | 21196 | 17789 | 68900 | MPa | ISO 178 |
|
Notched Charpy Impact Strength (23°C) |
30 | 27 | N/A | kJ/m² |
ISO 179
|
| Specific Gravity (Density) | 1.29 | 1.28 | 2.70 | g/cm3 | ISO 1183 |
Other PropertiesProperty |
Value |
Unit |
Test Standard |
|---|---|---|---|
|
Specific Gravity (Density)
|
1.29 |
g/cm³
|
ISO 1183
|
|
Molding Shrinkage (Flow)
|
0.1 - 0.3 | % |
ISO 294-4
|
|
Heat Deflection Temperature (1.8MPa)
|
208 |
°C
|
ISO 75-2/A |
Disclaimer: Please note: The data provided for LFT-G® PA6 CF40 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 BC04A PA6-CF40 Datasheet PDF
Processing Information
To unlock the full potential of LFT-G® PA6 CF40, precise control of the injection molding process is crucial. As a polyamide-based reinforced polymer, proper pre-drying is essential to prevent hydrolysis. Processing at elevated melt and mold temperatures is required to ensure a homogeneous melt and preserve the integrity of the long carbon fiber network.

| ①Drying Time | 4–6 hours |
|
Drying Temperature |
80-110°C |
| ② Temperature Zone (Melt) | 240-270°C |
| ③Mold Temperature | 60-95°C |
What is PA6-CF good for?
The choice between long and short carbon fiber is critical for achieving high performance. A long carbon fiber composite creates an internal skeletal network within the polymer, providing vastly superior impact strength, a higher modulus, and better creep resistance. This structure allows for more effective stress transfer along the fibers, resulting in a much tougher and more durable part compared to the random, disjointed nature of short fiber reinforcement, making it the superior choice to replace metal parts.
Benefits Filled Long Carbon fiber
- Extreme Strength & High Modulus
- Outstanding Lightweight Potential
- Superior Fatigue & Creep Resistance
- Excellent Dimensional Stability & Low Shrinkage
- Good Wear Resistance and Low Friction
- Inherent Electrical Conductivity for ESD

What is carbon fiber PA6 material used for?
Long carbon fiber reinforced nylon, especially a high-performance grade like our LFT-G®PA6 carbon fiber composite, is used for demanding engineering applications where strength, stiffness, and low weight are critical.This PA6 CF40 is a premier material designed to replace metal in many high-stress applications.

Automotive Part
The high stiffness and lightweight nature of this composite make any PA6 CF40 car part an excellent choice for replacing metal in high-load structural and functional automotive components, helping luxury and performance brands meet their lightweighting goals.
- Structural chassis reinforcements
- Seat frames and structural components
- Instrument panel carriers
- Engine and powertrain brackets
- Pedal boxes and shifter assemblies
High-End Tool Equipment Part
The excellent stiffness-to-weight ratio of our LFT-G® PA6 CF40 makes it a fantastic material for high-performance sporting goods and professional tooling where reducing weight while increasing strength is a key goal.
- High-performance bicycle frames and components
- Components for high-end ski bindings
- Structural parts for competitive drones
- Lightweight stocks for sporting firearms
- Housings for industrial power tools

FAQ about PA6 CF40
How much carbon fiber can be filled?
A: We can customize the fiber content to meet your specific needs. While this grade is LFT-G®PA6 CF40 (40%), we offer a range of long carbon fiber reinforced composites with different loadings to achieve the optimal balance of performance and cost.
Is nylon and PA6 the same thing?
A: The two most popular grades of polyamide, also known as nylon, are type 66 and type 6 (sometimes seen as PA66 and PA6). Overall, they are fairly similar, but each has distinct benefits in specific applications. Nylon 6 processes at a lower temperature and has a lower mold shrinkage.
Are you can customize the color?
A: Yes, we can customize the color of our LFT-G®PA6 CF40 material. While the natural color is black due to the carbon fiber, we can work with you to develop a specific color match for your application's aesthetic requirements.
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