3DXTech CarbonX Nylon6+CF Carbon-Fiber Reinforced Nylon 6 — Maximum Stiffness, USA-Made
Carbon-Fiber Reinforced Nylon 6 — Maximum Stiffness, USA-Made
A USA-made PA6 copolymer reinforced with high-modulus carbon fiber — engineered for structural components that demand high rigidity, improved chemical and thermal resistance, and excellent surface quality. This Gen3 formulation raises the HDT to 147°C, expanding it into higher-temp applications. Full specifications →
In stock in the USA — ships from Rev1. Need 2.85 mm, larger reels, or bulk pricing? Call (248) 707-2950.
USA-made carbon-fiber nylon, with a real datasheet behind it.
3DXTech compounds CarbonX Nylon6+CF in Grand Rapids, Michigan at its 68,000 sq ft facility, with published print and material data — no mystery filament. Rev1 Technologies is your authorized 3DXTech reseller and US support partner, Auburn Hills, Michigan.
Unparalleled rigidity — structural parts with less material.
CarbonX PA6+CF is formulated using a PA6 copolymer reinforced with high-modulus carbon fiber. It's the pick for anyone who wants a structural component with high modulus, improved chemical and thermal resistance, excellent surface quality, and ease of printing. Its unparalleled rigidity gives designers the properties they need to make 3D-printed parts with less material — saving weight without sacrificing stiffness. 3DXTech compounds it in the USA into consistent, printable filament for end-use components, jigs, fixtures, and tooling.

Maximum stiffness with an excellent printed surface.
High-modulus carbon fiber, formulated to print clean.
Carbon-fiber reinforcement delivers the highest stiffness in 3DXTech's nylon family — a 3800 MPa tensile modulus that lets designers lightweight parts without giving up rigidity. The Gen3 formulation also improves surface quality and printability, so functional brackets, housings, and fixtures come off the plate with a premium matte-black finish. Excellent chemical resistance suits automotive and industrial parts exposed to fuels, oils, and solvents.
Rigidity, thermal resistance, and a clean surface.
CarbonX Nylon6+CF is built for structural, engineering-grade applications where stiffness and heat resistance matter most. Numbers below are from the published TDS (Rev 3.0, ISO-tested).
High-modulus carbon fiber (ISO 527) — the stiffest grade in 3DXTech's nylon family.
Strong at break (ISO 527) — holds up under sustained structural load.
Rigid in bending (ISO 178) with a 3750 MPa flexural modulus — stiff, not floppy.
Deflection temp at 0.45 MPa (ISO 75) — Gen3 raises it above previous grades.
Chopped carbon fiber for dimensional stability, low warp, and a matte finish on load-bearing parts.
Measured per ASTM D257 — standard for the composition, informs ESD-sensitive use.
A high-temp hotend and a hardened nozzle.
These are 3DXTech's recommended print settings. Carbon fiber is abrasive, so a hardened nozzle is a must; nylon is hygroscopic, so dry it first.
Requires a genuine high-temp hotend that can reach and hold the mid-380°C range.
A high-temperature heated bed with a suitable adhesive for reliable first-layer grip.
Not required, but a chamber improves layer bonding on larger structural parts.
Use a hardened-steel or abrasion-resistant nozzle — carbon fiber wears out brass fast.
Run 0.25 mm or thicker layers for the best strength and consistent flow with the filled filament.
Nylon absorbs moisture; dry the filament and keep it dry for the best surface and strength.
Built for lightweight, structural, end-use parts.

From CAD to a lightweight, load-bearing part that ships.
Print functional brackets, housings, tooling, and end-use components.
Because it's rigid, chemically resistant, and heat-tolerant, CarbonX Nylon6+CF is a go-to for parts that actually go into service — not just prototypes. High modulus lets you cut weight while holding stiffness, which is why it lands in aerospace, automotive, and energy work.
Matte carbon-fiber black — with an excellent surface.
CarbonX Nylon6+CF ships in a single, purpose-built color: a deep matte carbon-fiber black that shows off the excellent surface quality this Gen3 grade is known for. Carbon fiber is inherently black — there are no other color options for this material. It's available in 1.75 mm and 2.85 mm on 500 g, 750 g, and 2 kg reels; choose your reel size in the buy-box, or ask us about bulk and standing-order pricing.
Check the reel fits your printer.
Standard spool dimensions — confirm it fits your AMS or dry box.
3DXTech ships CarbonX on consistent, standard reels.
Before you buy, check the outer diameter, width, and center bore against your printer's spool holder, automated material system, or drybox. Open the full 3DXTech reel infographic for the exact dimensions of the 500 g, 750 g, and 2 kg spools.
View reel dimensions →Carbon-fiber PA6 vs. glass-fiber PA6 vs. unfilled nylon.
Approximate positioning among 3DXTech's nylon family — confirm exact figures against each technical data sheet.
3DXTech's published property chart.
The quick-reference numbers, straight from the manufacturer.
3DXTech publishes a property chart for CarbonX Nylon6+CF (Gen3). For the complete mechanical and thermal data with test methods, request the full technical data sheet in the resources below.
| CarbonX Nylon6+CF | FibreX Nylon6+GF30 | Unfilled Nylon | |
|---|---|---|---|
| Stiffness | Very high | High | Moderate |
| Toughness | High | High | Very high |
| Surface finish | Excellent, matte black | Matte | Standard |
| Printer needs | High-temp hotend + hardened nozzle | Heated bed + hardened nozzle | Heated bed |
| Heated chamber | Optional (improves bonding) | Not required | Not required |
| Colors | Black | 6 colors | Natural / limited |
| Best for | Max stiffness, lightweighting, premium finish | Stiff structural parts, economical, easy to print | Toughest, most ductile parts |
Qualitative comparison among 3DXTech nylon grades; confirm exact properties against each TDS. Prices vary by reel size and date.
3DXTech CarbonX Nylon6+CF Technical Data
RESOURCES
Datasheet & Print Support
Everything you need to qualify and print CarbonX Nylon6+CF.
WHY REV1 TECH
Authorized 3DXTech Reseller. Engineering-Materials Specialists.
Rev1 Technologies is an authorized 3DXTech reseller in Auburn Hills, MI, supplying genuine USA-made engineering filament with real print support.

We help you pick the right engineering polymer, dial in the profile, and keep production running.
FAQ
3DXTech CarbonX Nylon6+CF — Common Questions
Do I need a special printer?
Yes — CarbonX Nylon6+CF prints at 365–390°C, so you need a genuine high-temp hotend and a high-temp heated bed (240–270°C), plus a hardened-steel nozzle. A heated chamber isn't required but improves layer bonding on large parts.
Why do I need a hardened nozzle?
The carbon fiber that gives this filament its rigidity is abrasive and will quickly wear out a standard brass nozzle. Use a hardened-steel or other abrasion-resistant nozzle, 0.4 mm minimum.
Do I have to dry it?
Yes. Nylon is hygroscopic and absorbs moisture from the air. Dry the filament at 90°C for about 4 hours before printing and keep it in a dry box for the best surface finish and strength.
How is it different from FibreX Nylon6+GF30?
Both are reinforced PA6. Carbon fiber (CF) is the stiffest grade with a premium matte-black finish and higher heat resistance; glass fiber (GF) is tough, more economical, easier to print, and available in six colors. We'll help you choose based on your part.
What's new in the Gen3 formulation?
Gen3 raises the heat deflection temperature to 147°C at 0.45 MPa — higher than previous grades — expanding CarbonX Nylon6+CF into higher-temp applications while keeping its high modulus and excellent surface quality.
Is it made in the USA?
Yes — 3DXTech manufactures CarbonX Nylon6+CF at its 68,000 sq ft facility in Grand Rapids, Michigan, with published data and lot traceability.

