SUNLU PA12-CF Nylon Carbon-Fibre 3D Filament, 1.75 mm, 1 kg

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Product guide

SUNLU PA12-CF Nylon Carbon-Fibre 3D Filament, 1.75 mm, 1 kg

SUNLU PA12-CF is a 1.75 mm carbon-fibre-reinforced nylon filament supplied as a 1 kg spool. Its stated use profile centres on wear- and oil-resistant functional parts, but printing requires attention to drying, bed adhesion and nozzle wear.

At a glance

Carbon-fibre-reinforced PA12 nylon, with the listing stating 20% carbon fibres and 80% PA nylon.
Manufacturer claims resistance to grease, gasoline and solvents, and suitability for wear-prone moving parts.
The heat-resistant spool is described as suitable for drying, with a stated maximum drying temperature of 110℃.
The listing recommends drying before printing and using a wear-resistant nozzle, it also suggests glue to reduce edge warping.

Price

£44.64Save 23%

Reference price: ~~£57.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Material composition and spool measurements are supplied, helping buyers assess material type and holder fit.
The stated drying schedules and print settings offer a starting point for tuning this engineering filament.
The listing describes a use case for oil-exposed or friction-prone parts, which may suit functional prototypes and workshop components.

Cons

The manufacturer’s recommended drying step and wear-resistant nozzle guidance add preparation and hardware requirements compared with less demanding filaments.

Technical specifications

20 specifications

Identity
Brand	SUNLU
Model	Technisches 3D-Druckfilament 1.75 mm

Dimensions and installation
Weight listed	1 Kilograms
Filament diameter	1.75 Millimetres
Spool diameter	203.2mm(8inches)
Spool width	63.5mm(2.5inches)
Spool hub hole diameter	55.88mm(2.20inches)

Materials and protection
Material listed	Nylon
Composition	20% Carbon Fibers and 80% PA Nylon
Colour	1kg PA12-CF Black
Density	1.04 g/cm³
Claimed temperature resistance	up to 175℃
Maximum spool drying temperature	110℃

Printing and care
Recommended nozzle temperature	260-280°C
Recommended bed temperature	50-70°C
Recommended print speed	60-150mm/s
Recommended drying conditions	80°C for 12 hours or 110°C for 4 hours
Drying guidance after unpacking	6 hours after unpacking, it needs to be dried before printing.
Nozzle guidance	It is recommended to use a wear-resistant nozzle, such as a hardened steel nozzle.
Adhesion guidance	It is recommended to apply glue to assist printing to prevent edge warping.

What to know before buying

The listing describes this as PA12-CF and claims up to 175℃ temperature resistance, but gives no test conditions, treat that figure and the oil, wear and moisture claims as manufacturer statements, not guaranteed finished-part performance. Dry before printing as directed, consider glue to reduce warping, and avoid a copper nozzle because the listing warns it may wear, check spool measurements against your holder.

Who is it for?

A good fit for

Owners of compatible FDM printers seeking carbon-fibre nylon for functional or wear-prone parts.
Buyers prepared to dry filament and use a wear-resistant nozzle for printing.

Less suited to

Users looking for a low-preparation filament or who cannot meet the stated drying and nozzle recommendations.
Buyers needing independently substantiated heat, oil, fuel or moisture performance figures.

SUNLU PA12-CF Nylon Carbon-Fibre 3D Filament, 1.75 mm, 1 kg · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 822 ratings

5 stars78%78%
4 stars9%9%
3 stars5%5%
2 stars3%3%
1 star5%5%

Customer feedback reports positive impressions of print quality, finish and appearance, with some customers describing strong prints and straightforward printing. Durability and adhesion experiences are mixed: some report strength and good adhesion, while others describe brittleness or poor adhesion. Tangling and winding are also raised as concerns. These experiences matter for functional parts, where consistent feeding and layer bonding are important, the rating alone does not establish why customers had different results. The aggregate score is 4.5 out of 5 from 822 ratings.

Positive themes

Customers report good filament quality and print quality, and positive feedback on finish and appearance.
Some customers say it produces strong prints and prints well straight from the pack.

Negative themes

Customers report tangling and a poorly wound spool.

Mixed feedback

Durability and adhesion receive mixed feedback: some customers report strength and no adhesion problems, while others describe brittleness or poor adhesion.

Frequently asked questions

What printing settings does SUNLU recommend?

The listing recommends a nozzle temperature of 260-280°C, a bed temperature of 50-70°C and a print speed of 60-150mm/s.

Does the filament need drying before printing?

Yes. The listing says to dry it before printing and recommends 80°C for 12 hours or 110°C for 4 hours.

What kind of nozzle is recommended?

The listing advises against a copper nozzle because it may wear, and recommends a wear-resistant option such as hardened steel.

Will the spool fit my printer?

The listed spool measures 203.2mm(8inches) in diameter, 63.5mm(2.5inches) wide, with a 55.88mm(2.20inches) hub hole. Compare these dimensions with your printer’s holder.