PA6 CF40 Technical Data (Estimated Typical Values)
| Property | Value | Test Standard |
|---|---|---|
| Carbon Fiber Content | 40% | ISO 1172 |
| Tensile Strength | 240 – 270 MPa | ISO 527 |
| Flexural Modulus | 24,000 – 27,000 MPa | ISO 178 |
| Notched Impact Strength | 12 – 15 kJ/m² | ISO 180 |
| HDT @1.8 MPa | 230 – 240 °C | ISO 75 |
| Volume Resistivity | 10^0 – 10^2 Ω·cm | IEC 60093 |
PA6 CF Series Technical Data Table (Estimated Typical Values)
| Property | Test Standard | PA6 CF10 | PA6 CF20 | PA6 CF30 | PA6 CF40 | PA6 CF50 |
|---|---|---|---|---|---|---|
| Carbon Fiber Content | ISO 1172 | 10% | 20% | 30% | 40% | 50% |
| Tensile Strength | ISO 527 | 140 – 160 MPa | 180 – 210 MPa | 220 – 250 MPa | 240 – 270 MPa | 260 – 290 MPa |
| Flexural Modulus | ISO 178 | 10,000 – 12,000 MPa | 15,000 – 18,000 MPa | 20,000 – 23,000 MPa | 24,000 – 27,000 MPa | 28,000 – 32,000 MPa |
| Notched Impact Strength | ISO 180 | 9 – 12 kJ/m² | 10 – 13 kJ/m² | 11 – 14 kJ/m² | 12 – 15 kJ/m² | 13 – 16 kJ/m² |
| HDT @1.8 MPa | ISO 75 | 215 – 225 °C | 220 – 230 °C | 225 – 235 °C | 230 – 240 °C | 235 – 245 °C |
| Volume Resistivity | IEC 60093 | 10^3 – 10^5 Ω·cm | 10^2 – 10^4 Ω·cm | 10^1 – 10^3 Ω·cm | 10^0 – 10^2 Ω·cm | 10^-1 – 10^1 Ω·cm |
PA6 CF40 Key Advantages
✅ Ultra-High Modulus for Maximum Rigidity: Delivers an extreme level of stiffness, offering the highest resistance to bending and deflection in the series, designed for applications where minimal flex is non-negotiable.
✅ Superior Dimensional Stability Under Extreme Load: Combines high fiber content with the stable PA6 matrix to provide exceptional resistance to creep and dimensional change, even when subjected to high continuous stress.
✅ Advanced Thermal Management Capability: The high carbon fiber content significantly enhances thermal conductivity, aiding in heat dissipation from parts operating in or near heat sources.
Typical Applications & Characteristics
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Applications: Aerospace interior structural components, high-performance automotive chassis reinforcements, critical load-bearing frames in automation equipment, fixtures and jigs requiring extreme stiffness.
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Characteristics: PA6 CF40 is the specialist material for stiffness-critical designs. It is utilized when the primary design goal is to eliminate flex and deformation under extreme loads. This grade bridges the gap between high-performance engineering plastics and advanced composites, often used in specialized aerospace, automotive, and industrial applications.
Industry Applications:

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Explore the PA6 Carbon Fiber Series in Detail
Click on the links below to view comprehensive technical data, key advantages, and application details for each specific grade.
Grade Best For Overview Full Details PA6 CF10 Entry-level carbon fiber performance in electronic & precision parts. The most accessible CF grade, offering a clear boost in stiffness, dimensional stability, and ESD protection over standard materials. View PA6 CF10 Full Data Sheet → PA6 CF20 Versatile metal replacement demanding strength, weight & conductivity. A balanced performer, ideal for general lightweighting with excellent strength-to-weight ratio and functional conductivity. View PA6 CF20 Full Data Sheet → PA6 CF30 High-stress structural components and dynamic load applications. The premier choice for structural integrity, providing near-metallic stiffness, high fatigue resistance, and precision stability. View PA6 CF30 Full Data Sheet → PA6 CF40 Stiffness-critical designs where minimal deflection is paramount. Engineered for maximum rigidity and exceptional dimensional stability under extreme loads in advanced industrial sectors. View PA6 CF40 Full Data Sheet → PA6 CF50 Mission-critical applications at the forefront of lightweight engineering. The ultimate grade, delivering peak specific performance for aerospace, motorsport, and elite automation applications. View PA6 CF50 Full Data Sheet →
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Powering Innovation Across Industries
| Industry | Key Applications |
|---|---|
| Automotive | Engine covers, intake manifolds, structural brackets, sensor housings, connectors. Explore Automotive Applications → |
| Electrical & Electronics | Circuit breakers, switches, connector housings, insulating components. Discover E&E Solutions → |
| Industrial Equipment | Gears, bearings, machine housings, rollers, mechanical components. See Industrial Uses → |

How to Choose the Right PA6 CF Grade?
In simple terms:
For an accessible entry into carbon fiber performance with enhanced stiffness, dimensional stability, and static control, consider PA6 CF10. It offers a clear upgrade over standard materials at a moderate cost.
For optimal balance of high strength, lightweight design, and functional conductivity in demanding metal replacement applications, choose PA6 CF30. It is the performance benchmark for most structural applications.
For the ultimate stiffness, strength, and thermal/electrical performance where weight savings and reliability are critical and cost is less sensitive, consider PA6 CF50. Higher carbon fiber content maximises these advanced properties.
Why Choose Us?


FAQ Section:
Q1: When should I specify PA6 CF40 over PA6 CF30?
Choose PA6 CF40 when your design is stiffness-driven and must resist deflection under extreme loads. Its ultra-high modulus makes it suitable for structural supports in aerospace, high-load frames in automation, and components where minimal flex is critical.
Q2: Does the high fiber content make it difficult to mold?
PA6 CF40 requires experienced processing. While flow is more challenging, following guidelines ensures success: Robust gating and smooth flow paths are crucial. Higher injection pressures may be needed. The result is a part with exceptional mechanical properties worth the precision.
Q3: What are its thermal properties?
PA6 CF40 exhibits: High Heat Deflection Temperature (HDT): Up to 240°C at 1.8 MPa. High Thermal Conductivity: Compared to unfilled plastics, it dissipates heat more effectively, beneficial for parts near heat sources.








