30% Carbon Fiber Nylon 66

Product DescriptionCarbon fiber reinforced conductive nylon
INCHR Grade70CF30/70CF20/70CF15
Base PolymerNylon 66(PA66)
Volume Resistivity< 1E5 ohm.cm
Surface Resistance< 1E6 ohm/sq
AppearanceGranules/Black
ProcessingInjection/Extrusion
FeaturesHigh strength and wear resistance
ApplicationsInjection molded parts, 3D printing filaments

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Description

Properties Of  Carbon Fiber  Conductive Nylon

        • 70CF30 is a conductive nylon compound containing 30% carbon fiber. The high content of carbon fiber makes this conductive nylon have a long service life in friction and wear environments. This feature makes it suitable for manufacturing parts that require frequent friction or wear, such as gears, bearings, sliders, etc.
    • 70CF15 is a carbon fiber reinforced conductive nylon which is a composite material composed of 15% carbon fiber and nylon 66 resin. Nylon 66 resin itself has a certain heat resistance, and the addition of carbon fiber further improves the heat resistance temperature of the material, enabling it to maintain stable performance at higher temperatures.
    • Carbon fiber reinforced conductive nylon compound combines the advantages of lightweight, high strength, and corrosion resistance, making it widely used in many fields, such as aerospace, automotive industry, sports equipment, construction industry, as well as electronic products and medical equipment, etc.
    • The conductive nylon compound also has high modulus and high rigidity, and its continuous use temperature can reach 150°C, which makes it very popular in applications that require lightweight but high strength. For example, carbon fiber reinforced conductive nylon can be used to manufacture components of high-speed railways, as well as various components of automobile engine parts, electrical parts, and car body parts. It is also used to make parts with excellent wear and creep resistance to replace traditional metal materials.

 

Injection Molding Guidance Of Carbon Fiber  Condutive Nylon

  • Injection molding machine selection

Injection molding processing of conductive nylon has relatively high requirements on the machine. It needs to have the characteristics of large injection pressure, wide back pressure adjustment range, and high-temperature control accuracy. It is recommended to choose an injection molding machine with excellent brand and stable performance to ensure production efficiency and product quality.

  • Mold design

Mold design involves product size, structure, wall thickness, etc., and the characteristics of conductive nylon need to be fully taken into consideration. It is generally recommended to use optimized design methods such as large runners, hot runners, and comprehensive cross-sections to improve mold fluidity and product surface quality.

  • Pre-drying treatment

Generally speaking, the drying temperature is between 80℃-120℃. The specific temperature setting must be determined according to the carbon fiber content and the manufacturer’s recommendations. The drying time is usually 4-6 hours to ensure that the moisture in the material is fully evaporated. It is recommended to use an oven with a hot air circulation function for drying. Hot air circulation can make the temperature in the oven more uniform, ensuring that the material can be heated evenly.

  • Processing conditions

Injection speed: Try to use high-speed injection to ensure that the conductive nylon compound fully fills the mold cavity and avoids the generation of bubbles.

Temperature control: The processing temperature of the compound is relatively high, and precise temperature control of the injection molding machine, hot runner, mold, etc. is required to avoid defects such as shrinkage cavities, inclusions, and deformation.

Back pressure adjustment: When conductive nylon compound is injected, the back pressure needs to be adjusted appropriately to ensure product surface quality and dimensional accuracy.

Cooling time: After injection, a certain cooling time is required before demolding, in case of defects such as deformation and cracking.

Injection molding of conductive nylon compound requirements are relatively strict, and it is necessary to pay attention to material selection, injection molding machine selection, mold design, and processing conditions to ensure product performance and quality.

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