SUNLU PETG-CF 3D Printer Filament, 1.75 mm, Black, 1 kg

Black: SUNLU PETG-CF 3D Printer Filament is a 1 kg, 1.75 mm carbon-fiber-filled PETG filament for compatible FDM printers. The listing claims a matte finish and recommends drying the filament before printing, it also warns against use with AMS and AMS Lite systems.

At a glance

Carbon-fiber-filled PETG with a claimed matte, textured surface.
Manufacturer recommends drying at 70°C for 4-6 hours before use and storing in a dry environment.
Listing advises against AMS, AMS Lite and other multicolor systems because the material may wear their feed paths.

Price

$19.99Save 23%

Reference price: ~~$25.99~~

Price checked: Nov 11, 2026

View offer

Often bought together

SUNLU PLA+2.0 3D Printer Filament, Black, 4-Pack (4KG) | Upgraded PLA+ Filament 1.75mm, Tougher & Stronger, Neatly Wound, +/-0.02mm Accuracy, Individually Vacuum Packed

$45.89

SUNLU TPU Filament 1.75mm,(1kg,Black,95a TPU) | 3D Printer Filament,High Speed 95A TPU Filament,Flexible 3D Filament for Fast Printing,Dimensional Accuracy +/- 0.03mm

$21.99

Pros and cons

Pros

The 1.75 mm diameter is stated to suit most 1.75 mm FDM printers, subject to printer and material compatibility.
The listed print settings and drying guidance provide a starting point for setup.
The claimed matte finish may suit functional parts where a less glossy surface is preferred.

Cons

The manufacturer does not recommend this filament for AMS, AMS Lite or other multicolor systems.

Technical specifications

13 specifications

Identity
Brand	SUNLU

Dimensions and installation
Weight listed	1 kg
Filament diameter	1.75 millimeters
Dimensional accuracy	+/- 0.03mm

Materials and protection
Material listed	PETG-Carbon Fiber
Color	1kg Petg-cf10 Black (Hex Code: #000000 )
Carbon fiber filling	10% carbon fiber filling

Printing guidance and claimed properties
Recommended nozzle temperature	240-250°C
Recommended bed temperature	50-70°C
Recommended printing speed	50-150mm/s
Drying guidance	70°C for 4-6 hours
Impact strength	19kJ/㎡
Heat distortion temperature	70°C

What to know before buying

The manufacturer’s impact strength, heat-distortion temperature, print-behavior and compatibility statements are claims, not independent test results, follow the listed drying and print-setting guidance and confirm compatibility with your printer.

Who is it for?

A good fit for

FDM printer owners seeking black carbon-fiber-filled PETG for functional or structural prints.
Users who can dry and store filament in a dry environment and tune their printer to the recommended settings.

Less suited to

Users relying on AMS, AMS Lite or other multicolor systems, which the manufacturer says are not recommended for this filament.

SUNLU PETG-CF 3D Printer Filament, 1.75 mm, Black, 1 kg · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 101 ratings

5 stars74%74%
4 stars9%9%
3 stars6%6%
2 stars3%3%
1 star8%8%

The supplied evidence includes an aggregate rating of 4.4 out of 5 stars, but no review count or qualitative feedback. That figure alone does not establish how customers experienced print quality, strength or compatibility, so buyers should use the manufacturer’s stated settings and system warnings when deciding whether it fits their setup.

Frequently asked questions

Is this filament suitable for AMS or AMS Lite?

The manufacturer says PETG-CF is not recommended for AMS, AMS Lite or other multicolor systems because its hardness and rough surface may wear the feed path.

What print settings does SUNLU recommend?

The listing recommends a 240-250°C nozzle, a 50-70°C bed and 50-150mm/s printing speed. Treat these as starting guidance for your printer.

Should the filament be dried before printing?

Yes. The listing recommends drying at 70°C for 4-6 hours before use and storing it in a dry environment.

What printer diameter does it use?

The listed filament diameter is 1.75 millimeters, confirm your printer accepts that size.