LFT PA6 LCF40 Material:
High-Performance Long Fiber Composite

What is PA6 LCF40?
LFT-G® PA6 LCF40 is a revolutionary material that combines 40%long carbon fiber with PA6 polyamide resin that high performance, versatility, and cost-effectiveness. LFT PA6 LCF40 emerges as a game-changing engineered thermoplastic composite. This 40% long carbon fiber-reinforced polyamide 6 material combines unprecedented strength-to-weight ratios with exceptional thermal stability, redefining possibilities across automotive, aerospace, and industrial manufacturing sectors.
- Matrix Material: Polyamide 6 (PA6)
- - Reinforcement: 40% Long Carbon Fibers (LCF)
- - Fiber Length: 12-15mm (pre-molding)
- - Density: 1.29 g/cm³
- - Tensile Strength: 265 MPa
- - Flexural Modulus: 21 GPa
- - Heat Deflection Temp: 245°C @ 1.8 MPa
- - CTE: 15 × 10⁻⁶/°C
- - Flammability Rating: UL94 V-0
Mechanical Properties
LFT-G® PA6 LCF40 BC04B Grade
| Mechanical | Typical Valus | Unit | Test Stardant |
|
Specific Density Molding Shrinkage |
1.29 0.1-0.2 |
g/cm³
%
|
ASTM D-792
ASTM D-955
|
|
Tensile Strength Tensile Modulus |
263 30698 |
Mpa Mpa |
ISO 527/1A ISO 527/1A |
|
Flexural Strength Flexural Modulus |
378 20667 |
Mpa Mpa |
ASTM-D790 ASTM-D790 |
|
Charpy Impact Strength Notched |
28 |
KJ/m2
|
ISO 179 |
|
More technical data, visit our data center |
Advantages of LFT long fiber composite
Extremly Mechanical Properties
Keep longer glass carbon fiber,the LFT long fiber composite will provide higher stiffness strength,high modulus, thoughness than short fiber reinforced material
Strong dimensional durability
LFT long fiber composite is made of high-strength fiber materials such as high-flow Polypropylene/Nylon , which greatly improves its durability and strength.
Excellent Chemical Corrosion
LFT Composite choose multi matrix resin from PP to PEEK,Very good corrosion and chemical resistance Retains performance across low and elevated temperatures
Key Competitive Advantages
1. Superior Mechanical Performance
The aligned long carbon fiber architecture in LFT PA6 LCF40 delivers 28% higher impact resistance and 40% better creep resistance compared to short-fiber composites. Unlike conventional materials, the continuous fiber network maintains structural integrity under multidirectional stresses, making it ideal for load-bearing components.
2. Weight Reduction Capabilities
With a specific strength surpassing aluminum alloys, this material enables 15-25% mass reduction in moving parts while enhancing durability. The low-density composition (1.29 g/cm³) significantly improves energy efficiency in transportation applications.

Automotive Engineering
- - Electric vehicle battery trays & housings
- - Transmission components (gears, clutch parts)
- - Structural reinforcements (door beams, seat frames)
- - Underhood components (intake manifolds, turbocharger housings)
Case Benefit: BMW reports 6.2kg weight savings per vehicle using PA6 LCF40 in engine mounts, reducing CO₂ emissions by 8g/km.
Aerospace & Defense:
-
- Drone structural components
-
- Aircraft interior panels
- Satellite mounting brackets
- Military equipment housings



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