What is PA66 CF material?

PA66 CF (Carbon Fiber Reinforced Nylon 66) is a high-performance engineering thermoplastic composite. It combines the excellent mechanical properties, thermal resistance, and chemical resistance of Nylon 66 (PA66) with the exceptional strength, stiffness, and conductivity of carbon fibers, creating a superior material for demanding industrial applications.

What are the main advantages of using PA66 CF over standard PA66 or PA6?

The key advantages of the PA66 CF series are: Significantly Enhanced Stiffness & Strength: Carbon fibers dramatically increase tensile strength and flexural modulus, enabling lightweighting and metal replacement. Superior Heat Resistance: All grades feature high Heat Deflection Temperatures (HDT >250°C), outperforming many engineering plastics. Excellent Dimensional Stability: Very low coefficient of thermal expansion and moisture absorption ensure parts maintain precise tolerances in demanding environments. Inherent Conductivity/ESD Properties: The carbon fiber network provides options from static dissipation to conductivity, protecting electronic components. Improved Fatigue & Creep Resistance: More stable under long-term load, extending the service life of components.

What are the typical applications of PA66 CF materials?

Automotive: Under-the-hood components (sensor housings, connectors), structural brackets, air intake parts. Electrical & Electronics: Connectors, switches, bobbins, and semiconductor handling fixtures requiring ESD protection. Industrial Equipment: High-performance gears, bearings, robotic joints, end-effectors, and pump housings. Consumer & Sporting Goods: High-end power tool housings, drone frames, and high-performance sports equipment.

What are the general processing guidelines for PA66 CF composites?

When processing PA66 CF materials, note these general guidelines: Drying: Essential. Dry at 80-90°C for 4-6 hours to a moisture content below 0.1%. Melt Temperature: Typical processing range is 280-310°C. Avoid excessive temperatures to prevent degradation. Mold Temperature: Recommended at 80-110°C for good surface finish and dimensional stability. Equipment & Tooling: Due to the abrasive nature of carbon fibers, the use of hardened screws, barrels, and mold steels is strongly advised. Injection Speed: Use medium to high speeds to favor carbon fiber orientation and optimize part mechanical properties.

Is PA66 CF material conductive?

Yes, the addition of carbon fiber makes PA66 conductive. Its Volume Resistivity decreases significantly with higher carbon fiber content: PA66 CF10/CF20: Typically used for Electrostatic Discharge (ESD) protection to prevent static buildup. PA66 CF30 and above: Can achieve higher conductivity, suitable for applications requiring some level of EMI shielding or grounding. Please refer to the specific technical data sheet for exact resistivity ranges.

pa6 gf15 | 15% glass fiber reinforced nylon 6 nylon plastic (复制)

Precision injection molded nylon component - finished product view

PA66 CF40 Nylon 66 with 40% Carbon Fiber | Nylon Plastic

PA66 CF40 is an engineering thermoplastic composite based on nylon 66 (PA66) reinforced with 40% carbon fibers. This advanced grade is engineered for applications where maximum rigidity, exceptional dimensional stability, and superior functional properties are non-negotiable for success in cutting-edge industries.

Why Choose Nylon Plastic’s PA66 CF40?
✅ Delivering Ultimate Stiffness: We provide a material that approaches the rigidity of metals while maintaining a significant weight advantage, enabling revolutionary designs in high-stress environments.
✅ Commitment to Precision Under Pressure: Our PA66 CF40 guarantees that your most precision-critical components will maintain their tolerances under the most severe thermal and mechanical stress.
✅ Specialized Expertise for Advanced Processing: We partner with you to navigate the specific processing parameters of high-fiber-content composites, ensuring superior surface finish and mechanical performance.
✅ Enabling Next-Generation Applications: We are your material partner for breakthroughs in robotics, aerospace, and high-end automotive, where exceptional performance defines competitive advantage.

Categories: PA66, PA66+Carbon Fiber Brand: Nylon Plastic

Description

PA66 CF40 Technical Data (Estimated Typical Values)

Property	Value	Test Standard
Carbon Fiber Content	40%	ISO 1172
Tensile Strength	260 – 290 MPa	ISO 527
Flexural Modulus	25,000 – 28,000 MPa	ISO 178
Notched Impact Strength	11 – 14 kJ/m²	ISO 180
HDT @1.8 MPa	265 – 275 °C	ISO 75
Volume Resistivity	10^0 – 10^2 Ω·cm	IEC 60093

PA66 CF Series Technical Data Table (Estimated Typical Values)

Property	Test Standard	PA66 CF10	PA66 CF20	PA66 CF30	PA66 CF40	PA66 CF50
Carbon Fiber Content	ISO 1172	10%	20%	30%	40%	50%
Tensile Strength	ISO 527	160 – 180 MPa	200 – 230 MPa	240 – 270 MPa	260 – 290 MPa	280 – 320 MPa
Flexural Modulus	ISO 178	11,000 – 13,000 MPa	16,000 – 19,000 MPa	21,000 – 24,000 MPa	25,000 – 28,000 MPa	29,000 – 33,000 MPa
Notched Impact Strength	ISO 180	8 – 11 kJ/m²	9 – 12 kJ/m²	10 – 13 kJ/m²	11 – 14 kJ/m²	12 – 15 kJ/m²
HDT @1.8 MPa	ISO 75	250 – 260 °C	255 – 265 °C	260 – 270 °C	265 – 275 °C	270 – 280 °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

PA66 CF40 Key Advantages

✅ Extreme Rigidity for Minimal Deflection: Engineered to provide the highest level of stiffness in the series, dramatically reducing flexure under extreme mechanical and thermal loads.
✅ Exceptional Dimensional Precision: Offers ultra-low coefficient of thermal expansion and moisture absorption, critical for high-precision components in demanding environments.
✅ High-Performance Functional Properties: Delivers enhanced thermal conductivity and consistent electrical conductivity, suitable for advanced thermal management and EMI shielding applications.

Industry Applications:

Explore the PA66 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
PA66 CF10	High-temp capable parts needing stiffness & ESD on a budget.	The most accessible high-temperature CF grade, offering enhanced heat resistance, rigidity, and ESD protection over standard PA66.	View PA66 CF10 Full Data Sheet →
PA66 CF20	Demanding metal replacement where heat, strength & weight matter.	A balanced performer for high-temperature environments, excelling in strength-to-weight ratio and functional conductivity.	View PA66 CF20 Full Data Sheet →
PA66 CF30	Structural components under high thermal and mechanical stress.	The benchmark for high-temperature structural integrity, providing near-metallic stiffness and outstanding fatigue resistance.	View PA66 CF30 Full Data Sheet →
PA66 CF40	Ultra-stiff, high-heat applications where deflection is critical.	Engineered for maximum rigidity and dimensional stability under extreme thermal and mechanical loads.	View PA66 CF40 Full Data Sheet →
PA66 CF50	Mission-critical applications at the limits of thermal & mechanical performance.	The pinnacle grade, delivering peak specific strength and stiffness in the most severe high-temperature environments.	View PA66 CF50 Full Data Sheet →

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 →

Various application scenarios of PA plastics

How to Choose the Right PA66 CF Grade?

In simple terms:

For a cost-effective upgrade into high-temperature capable carbon fiber composites with significantly improved stiffness, heat resistance, and ESD, consider PA66 CF10.
For the optimal balance of high strength, heat deflection temperature, and lightweight design in demanding metal replacement applications, choose PA66 CF30. It is the performance benchmark for most high-temperature structural uses.
For the ultimate high-temperature stiffness, strength, and dimensional stability where performance is critical under extreme conditions, consider PA66 CF50.

Why Choose Us?

PA66 CF40 FAQ：

Q1: What is the primary application for PA66 CF40?
PA66 CF40 is engineered for applications where extreme rigidity and minimal deflection under load are paramount. It is ideal for high-precision components in robotics, advanced industrial machinery, and structural parts that cannot bend or warp under high stress or temperature.

Q2: How does PA66 CF40’s dimensional stability benefit designs?
It offers ultra-low thermal expansion and moisture absorption. This ensures that precision parts maintain their tight tolerances across wide temperature ranges and in humid environments, reducing the need for compensatory design and improving long-term reliability.

Q3: Is special equipment needed to process PA66 CF40?
Processing high-fiber-content grades like CF40 requires attention:

Equipment: A robust injection molding machine with a wear-resistant screw and barrel is necessary.
Gate Design: Larger gates and runners are advised to facilitate flow.
Post-Processing: Machining operations require carbide tools due to the material’s high abrasiveness.

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PA66 CF40 Nylon 66 with 40% Carbon Fiber | Nylon Plastic

PA66 CF40 Technical Data (Estimated Typical Values)