KARAKSA™ filaments from Asahi Kasei: easy-to-print reinforced PA for FDM.

Reinforced materials are key in professional 3D printing, but many filaments with carbon fiber or glass fiber require specialized hardware and cause wear on the printer. The KARAKSA™ filaments from Asahi Kasei represent an innovative alternative: a polyamide (PA) filament reinforced with cellulose nanofibers (CNF) that enables the production of strong parts without technical complications. Available at Filament2Print, this material stands out for its balance between mechanical performance and ease of printing.

What is KARAKSA™ PA/CNF?

KARAKSA™ is a technical filament based on polyamide reinforced with cellulose nanofibers distributed at the nanoscale within the material. This structure creates an internal network that improves both strength and stability during printing, something not always achieved with other reinforced filaments.

Advantages of KARAKSA™ filament

✔️ High mechanical strength with stable printing

• Excellent interlayer adhesion.
• Reduced formation of internal voids.
• Uniform and controlled extrusion.

✔️ Less abrasion than other reinforced filaments

Unlike materials with carbon or glass fiber:

• Reduces nozzle wear.
• Decreases printer maintenance.
• Lower risk of clogging.

✔️ Compatible with standard FDM printers

KARAKSA™ can be printed on:

• Desktop printers, industrial FDM (FFF) equipment
• No specialized hardware is required, making adoption easier.

✔️ High surface quality and detail

Thanks to its nanofibers:

• Compatible with small nozzles (down to 0.2 mm).
• Improved surface finish.
• Ideal for detailed technical parts.

Advantages compared to carbon fiber or glass fiber filaments

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KARAKSA™ F BX113 and KARAKSA™ F DX205: the two PA filaments reinforced with CNF from Asahi Kasei

Asahi Kasei has launched two technical filaments for FDM 3D printing: KARAKSA™ F BX113 and KARAKSA™ F DX205, both based on polyamide reinforced with cellulose nanofibers (PA/CNF). These materials have been developed to deliver functional parts with high mechanical performance while maintaining excellent printability on standard equipment. While BX113 stands out for its rigidity and dimensional stability, DX205 is optimized for applications requiring higher impact resistance and durability, covering a wide range of needs in industrial and engineering environments.

KARAKSA™ F BX113: balance between rigidity and printability

The KARAKSA™ F BX113 filament from Asahi Kasei is designed to offer an optimal balance between mechanical strength, rigidity, and printing stability.

Thanks to its polyamide base reinforced with cellulose nanofibers (PA/CNF), this material stands out for its high structural rigidity, excellent layer adhesion, low deformation during printing, and strong dimensional stability.

This makes it an ideal choice for:

• Jigs and production tools
• Structural supports
• Load-bearing functional parts

In addition, it enables easy printing on standard FDM systems, without the need for hardened nozzles or complex configurations.

BX113 is the most versatile option, perfect for applications where rigidity and reliability are required without complications.

KARAKSA™ F DX205: higher impact resistance and durability

The KARAKSA™ F DX205 from Asahi Kasei is optimized for applications where toughness and impact resistance are critical.

Maintaining PA/CNF technology, this variant offers higher impact resistance, better behavior under dynamic loads, and greater durability in wear-prone parts.

This makes it especially suitable for moving or vibration-prone parts, mechanical components under repetitive stress, sliding elements, and demanding industrial applications.

Like BX113, it retains KARAKSA™’s key advantages:

• Low abrasion
• Excellent printability
• Compatibility with standard FDM printers

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DX205 is aimed at more demanding applications, where impact resistance and durability are priorities.

Which one to choose?

BX113 → when you need rigidity, stability, and precision.

DX205 → when you need impact resistance and higher durability.

Both are available at Filament2Print, covering a wide range of technical applications in 3D printing.