PLA-CF Carbon Filament – Properties, Advantages & Applications in 3D Printing

PLA-CF (PLA reinforced with carbon fibers) is a high-performance engineering material that combines the easy printability of PLA with the exceptional stiffness and strength of carbon fibers. The embedded short carbon fibers provide increased rigidity, a matte carbon-finish surface, and significantly improved dimensional stability – ideal for functional, technical, or visually demanding components.

Advantages of PLA-CF Carbon Filament

• Extremely high stiffness & strength thanks to carbon fiber reinforcement
• Matte, professional carbon-finish surface
• Minimal deformation (almost no warping)
• Significantly improved dimensional accuracy
• Easier to print than ABS-Carbon or Nylon-Carbon blends
• Perfect for technical and functional parts

Printing & Material Properties

PLA-CF prints similarly to standard PLA but requires a hardened or wear-resistant nozzle, as carbon fibers are highly abrasive. The material provides exceptionally clean surfaces with an elegant matte carbon look.

Optimal Print Settings for PLA-CF

• Nozzle temperature: 190–220 °C (depending on brand & printer)
• Bed temperature: 50–65 °C
• Build chamber: open or closed
• Cooling fan: 40–100% (depending on detail requirements)
• Print speed: 40–60 mm/s
• Nozzle: Hardened steel / coated steel / ruby nozzle

Tip: Reduce retraction slightly, as carbon fibers add resistance during extrusion. For maximum strength, print at the higher end of the recommended temperature range.

Common Applications of PLA-CF Filament

• Stiff and load-bearing technical parts
• Brackets, fixtures & functional prototypes
• RC models, drone and robotics components
• Design parts with a premium carbon-look surface
• Geometries requiring high dimensional accuracy
• Lightweight components with high bending stiffness

PLA-CF vs. Standard PLA – When Does Carbon Make Sense?

Compared to regular PLA, PLA-CF offers much higher stiffness, better heat resistance, and a professional matte appearance. PLA-CF is the better choice when parts:

• are exposed to mechanical stress,
• require maximum stiffness instead of flexibility,
• should have an elegant matte carbon-fiber finish,
• demand high dimensional stability and low warping.

Further Information & Downloads

PLA-CF print settings & material information

Data sheet for our Z3D PLA-CF Carbon Filament

Why Choose Z3D PLA-CF Carbon Filament?

Our Z3D PLA-CF Carbon Filament impresses with outstanding stiffness, a premium matte carbon finish, and excellent printability. With high-quality carbon fiber reinforcement, precise manufacturing and tight tolerances, it is the ideal choice for professional, technical and visually demanding 3D printing projects.