ABS-CF Core Black Filament 20% Carbon Fiber Reinforced - High Strength

In this review of the ABS-CF Core Black Filament, the bottom line is clear: this spool is aimed at users who need reinforced, rigid parts with reliable layer bonding. The filament's standout attribute is its revolutionary core-concentrated carbon fiber construction that permits a 20% fiber loading while keeping surface finish and printability intact, so engineers and advanced hobbyists who value stiffness and Z-axis strength should take notice.

Key Features

• Core Technology: The core-concentrated carbon fiber structure delivers high fiber content without sacrificing surface quality, so prints maintain a clean appearance.
• Strength and Stiffness: With 20% carbon fiber reinforcement, parts show improved rigidity and dimensional stability suited for functional, load-bearing components.
• Layer Adhesion: The filament's design promotes stronger bonding between layers, improving Z-axis strength and reducing the chance of delamination in tall prints.
• Nozzle Wear Reduction: By keeping most fibers in the filament core, the material reduces abrasive contact with the nozzle, extending nozzle life on frequent builds.
• Safer Handling: Fewer surface fibers lower the risk of skin irritation during post-processing, though protective gloves are still recommended for safety.

Who It's For

The filament is best for engineers, makers, and advanced hobbyists who require high stiffness and good mechanical performance from printed parts, such as jigs, fixtures, or functional prototypes. Its reduced warping and improved layer adhesion make it practical for taller or more demanding prints where Z-strength matters.

It is less appropriate for complete beginners or for parts that must remain highly flexible, as the reinforced ABS blend trends toward rigidity and some users have reported mixed impressions on brittleness. If extreme ductility or soft-touch surfaces are required, a different filament family would be a better choice.

Pros & Cons

Pros

• Excellent rigidity and stiffness for functional, load-bearing parts.
• Clean surface finish despite high fiber loading, preserving appearance of prints.
• Improved layer adhesion that enhances Z-axis strength and part integrity.
• Lower nozzle abrasion compared with conventional carbon fiber blends, helping protect printer components.

Cons

• Some users report the material can feel brittle for thin or highly stressed sections, so design attention is necessary.
• As a reinforced ABS, it may require tuned print settings and an enclosure to manage warp for larger parts.

Specifications

Material	ABS with core-concentrated carbon fiber
Fiber Loading	20% carbon fiber
Color	Core Black
Diameter	1.75mm
Spool Weight	1KG
Key Benefit	Enhanced Z-axis strength and reduced nozzle wear

Our Verdict

The ABS-CF Core Black Filament is a solid choice for users who need reinforced, rigid parts with reliable layer adhesion and cleaner surface finish than typical high-fiber blends. It represents good value for applications requiring stiffness and functional performance, provided the user is comfortable tuning ABS settings and accepting that very thin features may feel brittle.

Frequently Asked Questions

Is this filament abrasive to nozzles?
Because fibers are concentrated in the core, nozzle wear is reduced compared with standard carbon fiber filaments, but hardened or wear-resistant nozzles are still recommended for long-term use.

Does it require a heated bed or enclosure?
As an ABS blend, a heated bed and, for best results, an enclosure help control warping on larger prints and improve dimensional stability.

Is it safe to handle printed parts?
Fewer surface fibers lower skin irritation risk, but using PU gloves during post-processing is advised for maximum safety.