Technical Specifications
- •Tensile Strength 240 MPa
- •Ultra-High Rigidity (Flexural Modulus 26000 MPa)
- •Lightweight (Density 1.32 g/cm³)
- •HDT 200 °C
- •Excellent Fatigue & Damping Performance
Applications
Technical Data Sheet (TDS)
| Property | Test Method (ISO) | Typical Value |
|---|---|---|
| Density | ISO 1183 | 1.32 g/cm³ |
| Tensile Strength | ISO 527 | 240 MPa |
| Elongation at Break | ISO 527 | 1 % |
| Flexural Modulus | ISO 178 | 26000 MPa |
| Heat Deflection Temperature (HDT) | ISO 75 | 200 (1.82 MPa) °C |
| Flame Rating | UL 94 / IEC 60695-11-10 | HB (UL 94, 1.6/2.0/3.2 mm) |
| Appearance | Visual | Black Pellets |
| Additional Notes | — |
|
The above data are typical values and do not constitute a specification guarantee. Please contact us for the latest product datasheet.
Processing Conditions
110 - 120°C
4 - 6 hours
240 - 290°C
80 - 140°C
Low
- Injection speed: moderate to fast
- Upper limit of processing temperature: 310°C
- Use wear-resistant screw and barrel for carbon fiber grades
Storage & Handling
Carbon fiber reinforced nylon readily absorbs moisture — must be stored sealed. Dry at 110-120°C for 4-6 hours before molding. Desiccant dryer recommended.
Related Products
Suzhou Jinsu New Material Co., Ltd.
WhatsApp: +86 17351132569
sales@maxnmtech.com
Product Overview
PA6+40%CF (40% carbon fiber reinforced nylon 6) is an ultra-stiff, lightweight engineering compound designed for structural parts where metal replacement, weight reduction and high rigidity matter most. By loading PA6 base resin with 40% carbon fiber, Jinsu delivers a grade with a tensile strength of 240 MPa, a flexural modulus of 26000 MPa and a heat deflection temperature of 200°C at 1.82 MPa — while weighing only 1.32 g/cm³, roughly half the density of aluminum. This performance profile makes PA6 CF40 a proven choice for drone frames and propellers, bicycle components and precision mechanical structural parts that used to be die-cast or machined from metal.
Our PA6 CF40 is produced on twin-screw extrusion lines with tight fiber-length and dispersion control, so molded parts get consistent mechanical properties, low warp and reliable fatigue performance. The carbon fiber is surface-sized for strong adhesion with the PA6 matrix, which preserves impact behavior and produces a stiff, technically textured surface. The grade is supplied in black pellets (B3C40 BK) and can be tuned with tougheners, lubricants or heat stabilizers, with CF20/CF30 versions available for applications that need more ductility or lower cost.
As an ISO 9001-certified Chinese compounder with 14 twin-screw lines and 3000+ tons monthly capacity, Jinsu offers factory-direct pricing, free technical samples, low MOQ and global shipping. Send us your drawings or target specs and our engineers will recommend the right carbon fiber nylon grade, mold design tips and processing parameters.
Applications in Detail
Drone Frames & Propellers
Every gram saved on a multirotor converts directly into flight time or payload. With a flexural modulus of 26000 MPa at only 1.32 g/cm³, PA6 CF40 gives drone frames, arms and propeller hubs the stiffness of glass-filled nylons at lower weight, while carbon fiber's inherent damping reduces vibration transmitted to gimbals and sensors. Injection molding lets you replace CNC-machined aluminum brackets with net-shape parts in series production.
Bicycle Components
PA6 CF40 suits loaded, fatigue-critical bicycle parts such as seat clamps, crank spiders, pedal bodies, stem spacers and e-bike battery housings. The compound combines high stiffness with 11 kJ/m² notched impact strength, so parts stay light without becoming brittle. Its low creep and excellent fatigue resistance keep clamping forces and geometry stable over years of road vibration, and the technical carbon-fiber surface finish matches premium frame aesthetics.
Mechanical Structural Parts
For machine frames, robot end-effectors, gearboxes, pump brackets and automation fixtures, PA6 CF40 replaces die-cast aluminum and machined metal while cutting weight by up to 50% and eliminating secondary machining. With 240 MPa tensile strength, HDT of 200°C and low shrinkage of 0.3-0.5%, it holds tolerances in load-bearing parts exposed to continuous heat. Compared with glass-filled PA6, the carbon fiber version also runs quieter, absorbing vibration instead of transmitting it.
Frequently Asked Questions
What are the advantages of PA6 CF40 versus glass-filled PA6?
Carbon fiber provides roughly 30-40% higher stiffness than glass fiber at the same weight, and 40% CF reaches a flexural modulus of 26000 MPa — well beyond PA6 GF30. The compound is also slightly lighter (1.32 vs 1.36 g/cm³) and adds vibration damping, which glass fiber cannot provide. Glass-filled grades remain more cost-effective and slightly tougher, so the right choice depends on whether your part prioritizes stiffness-to-weight or cost.
Can PA6 CF40 replace aluminum parts?
In many stiffness-driven structural parts, yes. With 240 MPa tensile strength and a density of only 1.32 g/cm³, PA6 CF40 offers an aluminum-like strength-to-weight ratio at roughly half the density of aluminum, molded net-shape without machining. Designers should account for anisotropy from fiber orientation, sharper notch sensitivity than metal, and PA6's moisture uptake in wet environments — our engineers can review your drawings and advise on rib design and safety factors.
What processing conditions does PA6 CF40 require?
Dry the pellets at 110-120°C for 4-6 hours before molding. Set melt temperature between 240 and 290°C (never above 310°C) and mold temperature between 80 and 140°C. Use moderate-to-fast injection speed with low back pressure. Because carbon fiber is abrasive, a wear-resistant screw and barrel is strongly recommended. Characteristic shrinkage is 0.3-0.5%, which is low for nylon and helps hold tight tolerances.
Do you offer samples and custom carbon fiber grades?
Yes. Jinsu provides free technical samples (5-10 kg) for molding trials, with a low MOQ of 25 kg for production orders. Beyond the standard 40% CF black grade, we can adjust carbon fiber content (20%, 30%, 40%), add tougheners, lubricants or heat stabilizers, and match custom colors. Send us your application requirements and our engineers will recommend the most cost-effective configuration.