SKU: 79775486776

Polymaker Fiberon PA6-CF20 1.75mm Filament 3kg (Formerly PolyMide PA6-CF)

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Description

Polymaker Fiberon PA6-CF20 1.75mm Filament 3kg (Formerly PolyMide PA6-CF)Fiberon is polymakers family of fibre reinforced composite filaments developed to provide outstanding mechanical performance for a range of engineering applications. Fiberon PA6 CF20 is a carbon fibre reinforced nylon filament featuring 20% chopped carbon fibres by weight. Within Polymakers range of nylon filaments, Fiberon PA6 CF20 delivers best in class stiffness, strength and heat resistance and superior z axis tensile strength to outperform many

Fiberon™ is polymakers family of fibre-reinforced composite filaments developed to provide outstanding mechanical performance for a range of engineering applications.

Fiberon™ PA6-CF20 is a carbon fibre reinforced nylon filament featuring 20% chopped carbon fibres by weight. Within Polymakers range of nylon filaments, Fiberon™ PA6-CF20 delivers best in class stiffness, strength and heat resistance and superior z axis tensile strength to outperform many other functional 3D printing materials in "dry state". Together with 20% industrial chopped carbon fibres, Polymakers Fibre-Adhesion™ technology optimises the surface chemistry of the fibres to achieve better dispersion and bonding to the Nylon 6 matrix and delivers an outstanding filament for functional applications.

 

Find out more about the Polymaker product changes here

Learn more about the Fiberon range here.

Features

  • Excellent Stiffness & Strength - Featuring a tensile modulus up to 8.4 GPA on the XY axis and 3.7 GPA on the Z axis, Fiberon™ PA6-CF20 is well suited for high performance industrial and engineering applications. Fiberon™ PA6-CF20 combines extreme stiffness and best-in-class tensile strength. Fiberon™ PA6-CF20 is an excellent choice for dry applications[1] requiring stiffness and durability such as automotive brackets, jigs, ESD safe fixtures, aerospace, prosthetics and engineering.
  • Excellent Heat Resistance - Featuring a high heat resistance up to 215°C after annealing[2], Fiberon™ PA6-CF20 offers excellent heat resistance for demanding applications where heat and stress are critical design factors. This material lends itself perfectly to functioning automotive applications where a combination of heat resistance and mechanical properties are required. 
  • Outstanding Layer Adhesion - Most fiber reinforced materials show a decrease in z-axis layer adhesion when compared with their non-fiber reinforced Nylons, producing a part that is only stronger on the X-Y axis but detrimental to the Z axis. Polymakers new technology in Fiberon™ PA6-CF20 not only solves this problem but actually increases Z axis tensile strength creating more isotropic parts that are strong in every direction.
  • Warp-Free™ - Fiberon™ PA6-CF20 features Polymakers Warp-Free™ technology to deliver a reliable Nylon filament with excellent dimensional stability and near-zero warpage. This is achieved by the fine control of microstructure and crystallization behaviour of Nylon, which enables the material to fully release the internal stress before solidification. The Warp-Free™ technology in Fiberon™ PA6-CF20 is designed to work best with minimal bed temperatures.
  • Wear Resistant and Tough - Parts printed in Fiberon™ PA6-CF20 display excellent toughness and wear resistant properties.
  • Improved Printability – Unlike many other Nylon filaments, Fiberon™ PA6-CF20 is extremely easy to work with, exhibiting excellent dimensional stability. It is compatible with most filament-based 3D printers with no heated bed or chamber required!
  • Uncompromised Quality - Polymakers leading quality control process and rigorous in-house testing ensure reliable printing and consistency across spools and batches.

[1] Most Nylon parts in the real world undergo a process called "Moisture conditioning" which improves toughness and flexibility of the Nylon while reducing tensile strength and stiffness. Unless protected with a moisture barrier, PA6-CF shows a greater change in mechanical properties when subjected to water / high humidity in comparison to long-chain nylon filaments like PA12-CF or PA612-CF. In simple terms PA6-CF will typically offer the best properties in a dry application, but for a wet or high humidity application a longer chain nylon such as PA612 or PA12 may be better. See "Specifications & FAQ" tab to learn more about what moisture conditioning is, how it works and if it's relevant to your application.
[2] Fiberon™ PA6-CF20 displays the best mechanical and thermal properties when fully crystallized. The printed part will not reach full crystallization during the printing process, an additional step is required: Annealing. Fiberon™ PA6-CF20 can be annealed in the oven at 100˚C for 16 hours right after the printing process.

Technical Data

All PA6-CF20 specimens were printed with 300°C nozzle temperature, 50°C bed temperature, cooling fan OFF. Samples were printed with 100% infil, 2 shells and 3 top & bottom layers.

All samples were annealed after printing at 100°C for 16h.

Physical Properties

  • Density: 1.17 g/cm3 
  • Melt Index: 20.5 g/10min (300°C, 2.16 kg)
  • Moisture Sensitivity: 
    • Moisture Conditioning (70% RH, 23°C)
      Equilibrium at 3.3% after 40 days.
      Moisture absorption curve.
    • Wet State (Water Submersion, 60°C)
      Average moisture content is 5.3% after 48 hours.

Thermal Properties

  • Glass Transition: 
    • Value: 74.2°C
    • Testing Method: DSC, 10°C/min
  • Heat Deflection Temperature: 
    • Value:     
      • 0.45MPa - 215°C
      • 1.8 MPa - 173°C
      • HDT Curve
    • Testing Method: ISO 75
  • Vicat Softening Temperature: 
    • Value: 219.2°C
    • Testing Method: ISO 306, GB/T 1633

Nylon is a semi-crystalline material, it's crystalline regions offer many properties, but in particular their structure deliver the heat resistance that nylon is known for. Annealing after printing is a critical process to achieve consistent crystallinity and complete the production process of nylon parts.

Mechanicla Properties

Dry state represents when PA6-CF20 part is printed and annealed.
Wet state represents if the PA6-CF20 part were submerged in water for 48 hours.

If your part is exposed to reasonable humidity (70% RH) but isn't exposed to water, your part would become moisture conditioned. To enter the wet state would require very high humidity, steam or submersion.

Nylon 6 based materials are moisture sensitive and their mechanical properties change. As they absorb moisture the toughness and flexibility increase, while tensile strength and stiffness decrease. This process is not permanent, if the part were dried, it would regain strength and stiffness.

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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 79775486776

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Jamie
Belleville, US
★★★★★ 5
Love this
Size: 9.25”, Color: black-6 pack, Size: 9.25”, Color: black-6 pack
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Reviewed in the United States on April 17, 2026
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BuRRRp
Houston, US
★★★★★ 4
nice brackets
Size: 11.25“, Color: black-8 pack
loved the look of these brackets with wooden shelves, brackets seem to of good quality and holding up well. only issue is one bracket was slightly out of spec. but besides that they work awesome and good price.
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Reviewed in the United States on November 24, 2025
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rwilson
Boise, US
★★★★★ 5
Very sturdy and all hardware needed
Size: 9.25”, Color: black-12 pack
These brackets are very sturdy and came with all the hardware needed, including two types of wall anchors if you won’t be going through a stud, and a magnetic level which was very useful. Would recommend.
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Reviewed in the United States on March 8, 2026
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MDP
Boise, US
★★★★★ 5
So far so good!
Size: 7.25“, Color: black-4 pack
Haven’t used them yet but they look really nice and good quality—didn’t realize that they come with a small level which is really cool.
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Reviewed in the United States on May 21, 2026
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The CASIRENA Faux Leather Valet Tray Organizer is a game-changer for staying organized in style. This catch-all tray is not just functional; it's a sleek and elegant addition to any space. Designed with a keen eye for detail, the faux leather exudes sophistication while the thoughtful compartments provide a designated spot for all your essentials – from keys to wallets. It's perfect for an entryway table or wall, offering quick access to everyday items. The attention to quality is evident in the craftsmanship. The tray is durable and well-constructed, ensuring it stands the test of time. The blend of utility and aesthetics is truly commendable. Say goodbye to misplaced keys and cluttered surfaces. The CASIRENA Valet Tray Organizer brings a touch of organization to your life while elevating your décor. It's a practical piece of art you'll wonder how you lived without.
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