PC-CF Filament 1.75mm 1kg | Carbon Fibre PC

OzFDM PC - CF (PolyCarbonate + Carbon Fibre) 3D Printing Filament 1.75mm 1KG - OzFDM

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Experience superior heat resistance with the Oz FDM PC-CF 1.75mm ± 0.05 1KG filament. Featuring a heat deflection temperature of 125° Celsius, this polycarbonate filament is an ideal choice for producing 3D-printed components that require exceptional heat resistance. It is the perfect choice for precision engineering projects. 10-12% short strand Carbon Fibre (5-10 micrometer) content.

PC-CF (Polycarbonate Carbon Fibre) delivers exceptional strength, stiffness, and heat resistance through the powerful combination of polycarbonate and finely distributed carbon fibre. Built for professional applications, this filament performs where other high grade materials like PETG-CF or ASA-CF may begin to flex or soften. While PETG-CF focuses on easy, reliable printing and ASA-CF excels in outdoor and UV exposed applications, PC-CF stands out as the true engineering grade option built for precision components, mechanical assemblies, and parts that must endure stress without deformation.

By infusing the PC-CF base with microscopic strands of carbon fibre, the material gains significant rigidity and reduced thermal expansion, helping each layer lock firmly in place as it cools. The reinforcement acts much like rebar within concrete, enhancing structural integrity while lowering overall weight. The carbon fibres also contribute to a matte, textured surface that hides layer lines and improves interlayer bonding resulting in prints that feel as strong as they look while maintaining exceptional dimensional stability even under continuous stress or elevated temperatures, making it a trusted choice.

PC-CF delivers a refined, technical finish and dependable performance for functional prototypes or final assemblies, perfect for makers seeking versatility. From simple prints to real-life conditions, it excels in automotive and industrial uses, offering professional grade performance in precision and strength.

Built for performance, finished for perfection, the ultimate blend of form and function.

Technical Data Sheet PDF

PC-CF Black Carbon Fibre

Black Carbon Fibre presents a deep matte black finish with a subtle metallic texture that reflects its carbon reinforcement. The fine fibre pattern gives the surface a distinctive, high quality engineering look that hides layer lines and enhances detail definition. Sleek, consistent, and purposefully understated, this colour embodies the strength PC-CF is known for. ideal for parts where performance and professional aesthetics go hand in hand.

Carbon Fibre Black#17191A

Screen colours are a guide only. The finished print varies with lighting, layer height and finish.

Keep It Dry, Keep It Controlled

Not Recommended for the Bambu Lab AMS

Bambu Lab advises against running third party fibre filled filament through the AMS. Its own filament guide warns that some brands of carbon and glass fibre filament are "too hard and rough, which can easily damage the AMS / AMS lite channel", and that others are "too brittle and prone to break" inside it. Where the AMS is listed as supported for a fibre filled material, that entry refers to Bambu Lab’s own spools, not to third party filament.

Feed PC-CF from an external spool holder or a sealed dry box straight into the printer instead. The shorter, straighter filament path keeps the abrasive fibres away from the AMS gears, PTFE tubing and funnel, lowers feed resistance and gives steadier extrusion on long prints. A hardened steel nozzle is still required.

PC-CF is highly moisture sensitive and performs best when kept completely dry during printing, so a sealed or actively heated dry box is the better feed source. Even small amounts of absorbed moisture cause popping, stringing and a rough surface finish, which affects both layer adhesion and part strength. Its higher nozzle and bed temperatures also call for an enclosed printer, which lets parts cool gradually and prevents stress along sharp edges and large flat surfaces.

Four OzFDM filament spools loaded in a Bambu Lab AMS unit

Advanced Performance for Demanding Prints

Built for Demanding Performance

PC-CF stands out for its ability to perform in conditions that would challenge most filaments. With its reinforced polycarbonate base, it resists deformation under load and retains exceptional strength even in elevated temperatures.

This makes it ideal for components that experience real world stress, such as brackets, enclosures, mechanical joints, and functional assemblies.

Whether used for industrial prototypes or high performance final application parts, PC-CF delivers the structural reliability needed when precision and strength cannot be compromised.

Strength in Every Layer

The addition of finely milled carbon fibres transforms polycarbonate into a composite built for consistency and control.

Each strand helps stabilise the material as it cools, reducing warping while increasing rigidity and dimensional accuracy. The result is a filament that maintains its shape across complex geometries and large prints.

Combined with the natural impact resistance of polycarbonate, PC-CF produces parts that are both lightweight and exceptionally strong, with a professional matte carbon finish that conceals layer lines and surface imperfections.

Designed for Precision and Longevity

Beyond its physical performance, PC-CF is valued for its durability over time. It offers excellent chemical resistance, maintains integrity under repeated mechanical stress, and provides reliable performance in environments where heat, vibration, or movement are constant factors.

This makes it an excellent choice for applications such as drone frames, custom tooling, or high-strength replacement parts.

When properly dried and printed within the recommended conditions, PC-CF delivers a level of quality and repeatability suited to advanced engineering and production-grade results.

Technical Specifications

Product Specifications

Each spool of OzFDM’s premium PC-CF filament is securely vacuum-sealed with a moisture-absorbing desiccant to maintain optimal print quality right up to that special moment you open the box.

Every package includes recommended printing and drying settings, ensuring you achieve smooth, consistent results right from your first layer.

Filament weight: 1 kg
Filament diameter: 1.75 mm
Dimensional tolerance: ±0.05mm
Spool weight (empty): 150 g
Spool weight (new): 1.15 kg
Spool diameter outer: 200 mm
Spool diameter inner (hub): 52 mm
Spool width: 65 mm
Package weight: 1.3 kg
Package dimensions: 210mm x 220mm x 75mm
Drying recommendation: 80°C for minimum of 12 hours using a filament dryer / food dehydrator.
Storage recommendation: Airtight bag or container with desiccant in a cool, dark and dry area to prevent moisture absorption. For optimal long term storage we recommend drying the filament prior to sealing the filament spool in a vacuum bag with desiccant.

Print Parameters

PC-CF performs best under precise, high temperature printing conditions that support strong layer bonding and controlled cooling. Maintaining a stable environment ensures the filament’s full strength, dimensional accuracy, and premium surface finish are achieved throughout the print.

Nozzle temperature: 260°C - 300°C (280°C recommended)
Bed temperature: 100°C - 120°C (110°C recommended)
Printing speed: 40mm/s - 60mm/s (50mm/s recommended)
Support material: PC-CF (Self Supported)

Mechanical Properties

This material is built for serious strength, combining rigidity and impact resistance. The carbon fibre reinforcement enhances stiffness and stability, making PC-CF ideal for demanding functional parts and precision engineered models.

Tensile strengthISO 527: 38 MPa
Elongation at breakISO 527: 10 %
Flexural strengthISO 178: 85 MPa
Impact strengthISO 180: 5~8 kJ/m²

Physical Properties

DensityISO 1183: 1.20~1.25 g/cm³
Melt flow rateISO 1133: 5~7 g/10min
Moisture absorption (23°C/24h)ISO 62: <0.5 %

Thermodynamic Properties

Engineered to withstand high temperatures and extended operational stress, PC-CF maintains its form and strength even in demanding environments. Its thermal stability and low deformation under heat make it an exceptional choice for applications that require lasting performance under pressure.