PA6 nylon reinforced with carbon fiber — strength-to-weight that competes with machined aluminum. The step up from PET-CF when heat and outright strength join the brief.

Where weight is a constraint and plastic has to perform like metal.
PA6-CF measured against the FDM core lineup.
Manufacturer datasheet values. Real-world performance will vary — see disclaimer.
* Actual part performance varies with geometry, build orientation, layer height, infill, and post-processing. For load-bearing or safety-critical applications, contact us for part-specific validation.
Source: Polymaker PolyMide PA6-CF datasheet (V4.1) ↓Drop your file in. We'll price it across every applicable material, so you can see what PA6-CF costs compared to the alternatives.