Polymaker Fiberon™ PA6-CF20 / black/

It is designed for industrial components, automotive parts, production tools, jigs and fixtures, robotics, drones and other heavily loaded functional parts. Its high stiffness and heat resistance suit applications where standard PETG, ABS or unreinforced polyamides are insufficient.

The recommended nozzle temperature is 280–300°C, with a build plate at 40–50°C. Fiberon specifies speeds of up to 300 mm/s if the hotend can deliver the required volumetric flow. An all-metal hotend capable of reliably operating at at least 280°C is required.

No. Fiberon™ PA6-CF20 is formulated for printing at room temperature, without an actively heated chamber or a mandatory enclosure. This makes it considerably easier to use than many other high-temperature engineering polyamides.

Follow Polymaker's recommended 40–50°C range. PA6-CF20 does not automatically require the 80–100°C bed temperatures typical of some other nylons. Build plate temperature is one of the most frequently discussed settings among users; the official Fiberon profile specifies 40–50°C.

Yes. A wear-resistant nozzle is essential for sustained use because carbon fibres are highly abrasive. Hardened steel, ruby and other abrasion-resistant nozzle materials are suitable. According to Fiberon's TDS, a standard brass nozzle has an approximate service life of only 9 hours with this material.

Yes. PA6 is highly hygroscopic, and Fiberon recommends drying moisture-exposed filament at 100°C for 10 hours. Store and use it below 20% relative humidity. For long prints, feeding directly from a dry box or filament dryer is best.

No. Fiberon's official recommendation for PA6-CF20 is a part cooling fan setting of 0%. This supports layer adhesion and reduces the risk of internal stress and delamination. Stable, even cooling is more important than strong airflow for this material.