The Nylon66(Polyamide6.6 with 50% Long Carbon Fiber
Product Model: LFT-PA66-BC05A CF50
Ultimate metal replacement
Extreme structural stiffness
Zero creep performance
Maximum load bearing
LFT-G® PA66 CF50 (Grade: LFT-PA66-CF50-BC05A) is our most extreme performance polyamide 66 engineering thermoplastic, reinforced with a massive 50% long carbon fiber by weight. Engineered for the absolute limits of mechanical stress, it delivers unrivaled structural stiffness, near-zero creep, and supreme fatigue resistance. The ultra-dense, continuous long-fiber skeletal network within this LCF50 composite creates a true metal substitute, matching or exceeding the specific strength of die-cast zinc, aluminum, and magnesium alloys in critical aerospace, defense, and automotive applications.
Processing a 50% carbon fiber loaded material requires precision. To ensure the molten LFT-G® PA66-CF50 flows correctly without destroying the crucial long fiber lengths, please observe these molding parameters:
Parameter
Recommended Range
Key Notes for PA66 LCF50
Drying Temperature
110 – 120 °C
Moisture must be strictly < 0.05% due to high fiber volume
Drying Time
4 – 6 hours
Vacuum or high-grade desiccant dryer is strictly required
Melt Temperature
290 – 310 °C
High heat needed to reduce viscosity of 50% CF melt
Mold Temperature
100 – 140 °C
High mold temp prevents premature freezing and fiber exposure
Injection Speed
Low to Moderate
Critical: Avoid high shear rates to maintain long fiber integrity
Applications: Where LFT-G® PA66 CF50 Excels
Aerospace & Defense Components
Built for aerospace seating brackets, drone structural frames, and specialized defense housings. The 50% long carbon fiber loading offers a stiffness-to-weight ratio that rivals aviation-grade aluminum, slashing weight dramatically while maintaining absolute dimensional integrity under extreme g-forces.
EV Battery Enclosures & Automotive Chassis
The ultimate solution for EV battery carrier systems, engine mounts, and highly stressed chassis components. It provides immense tensile strength to pass strict crash-test standards while offering built-in vibration dampening and resistance to automotive fluids.
High-Precision Industrial Robotics
Essential for robotic arm segments, high-speed automated grippers, and precision actuators. The near-zero creep behavior ensures that highly calibrated industrial robots maintain exact positioning and repeatable accuracy over millions of operational cycles.
People Also Ask (FAQ)
Q: How strong is 50% carbon fiber nylon (PA66)?
A: It is exceptionally strong. LFT-G® PA66 CF50 (Long Carbon Fiber) pushes the physical limits of thermoplastics, boasting a tensile strength of over 315 MPa and a flexural modulus exceeding 31,000 MPa. It is engineered specifically to replace heavy metals in load-bearing structural parts.
Q: Can PA66 CF50 replace steel or aluminum?
A: Absolutely. With 50% long carbon fiber reinforcement, it bridges the gap between plastics and metals. It offers a specific strength (strength-to-weight ratio) that routinely surpasses die-cast aluminum and zinc, allowing manufacturers to drastically cut weight without sacrificing structural integrity.
Q: Is it difficult to injection mold 50% long carbon fiber PA66?
A: Because of the very high 50% fiber loading, the melt viscosity is higher. However, it can be processed on standard equipment by adjusting parameters: using higher mold temperatures (100-140°C), slightly higher melt temperatures, and utilizing a low-shear screw to preserve the critical long fiber lengths.
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