Bambu Lab

Bambu Lab PETG-CF Titan Gray Filament 1.75mm 1kg

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  • Less Clumping and Stringing
  • Premium Print Surface
  • Improved Mechanical Properties & High Flexibility
  • Comes with Basic Reusable Spool
  • Diameter: 1.75mm +/- 0.03mm
  • 0.2 mm Nozzle NOT Compatible
  • Stainless Steel Nozzle NOT Recommended
  • AMS 2 Pro, AMS HT & AMS Compatible
  • AMS lite NOT Compatible
  • Dry before Use for the Highest Print Quality
  • Color Code:31101

Looking for other products of Bambu Lab?

Frequently bought together with Bambu PETG-CF Gray  Filament

Titan gray printed object made from PETG-CF filament with RFID logo

Bambu Combo

Front view of titan gray PETG-CF filament spool in display holder
Front view of titan gray PETG-CF filament spool.

Balanced Mechanical Performance with Carbon Fiber Reinforcement



Bambu PETG-CF significantly improves the stiffness of regular PETG while enhancing both strength and toughness, making it an all-rounder in mechanical performance among basic filaments. It is well suited for functional and load-bearing parts. The optimized formulation also greatly reduces clumping and stringing compared to standard PETG, while delivering a signature carbon fiber texture with a glossier finish than Bambu PLA-CF.

Bambu PETG-CF filament spools displayed with functional 3D printed accessories on workbench
Bambu PETG-CF filament showcased with real-world 3D printed parts
Top view of PETG-CF filament spool with perforated reel and central hub
Top view of PETG-CF filament spool.
Close-up of PETG-CF label on a filament spool showing temperature and weight scale
PETG-CF filament spool label detail.

Enhanced Strength and Stiffness



With the addition of carbon fiber, Bambu PETG-CF effectively overcomes the low stiffness of regular PETG. The material achieves a stronger and tougher structure, making it a reliable choice for structural components and load-bearing applications.

Titan gray PETG-CF filament wound on a white perforated spool
Titan gray PETG-CF filament wound on a perforated spool.
Bambu PETG-CF filament strength comparison chart showing bending modulus and impact strength improvement
Mechanical property comparison between standard PETG and Bambu PETG-CF
Front view of titan gray PETG-CF filament spool in display holder
Front view of titan gray PETG-CF filament spool.

Ready for Outdoor Use



Thanks to its enhanced resistance to heat and moisture, Bambu PETG-CF is well suited for outdoor applications. It enables the creation of durable tools and functional parts that can withstand garden use and various outdoor environments.

Dual S-type carabiner printed with Bambu PETG-CF filament attached to backpack strap
S-type dual carabiner 3D printed with Bambu PETG-CF for daily carry
Bambu PETG-CF carbon fiber filament printed bike water bottle holder mounted on road bike frame
Bike water bottle holder printed using Bambu PETG-CF carbon fiber reinforced filament

Carbon Fiber Finish with a Glossier Look



Bambu PETG-CF features a refined carbon fiber texture that helps conceal layer lines. Compared to PLA-CF, it offers a glossier surface finish, balancing visual appeal with functional performance.

Titan gray PETG-CF filament wound on a white perforated spool
Titan gray PETG-CF filament wound on a perforated spool.
Mechanical desk mounted phone holder arm printed with Bambu PETG-CF filament
Desk-mounted mechanical phone holder made with Bambu PETG-CF filament
30 oz tumbler handle printed with Bambu PETG-CF filament held by hand
Custom tumbler handle made using Bambu PETG-CF filament
Surface texture comparison between PETG-CF and PLA-CF on low poly cat model
Low poly cat model printed with PETG-CF and PLA-CF filaments
Titan gray printed object made from PETG-CF filament with RFID logo
Titan gray printed object with RFID logo.

RFID for Intelligent Printing



All recommended printing parameters are embedded directly in the RFID tag and can be automatically read by the AMS (Automatic Material System). Simply load and print—no more tedious manual setting steps required.

Bambu PETG-CF filament packaging showing filament with spool and refill option
Bambu PETG-CF filament available with full spool or refill packaging
Individually packaged 3D printer hotend components arranged on a worktable, with labeled boxes facing upward
Individually packaged hotend components, neatly organized and labeled for identification

Wholesale & Private Label Services


We offer wholesale and private label (OEM) services for a wide range of 3D printing accessories, including build plates, hotends, and related components.

Composite image divided into four sections showing 3D printer build plates in the upper right area and hotend components in the lower sections
Build plates and hotend components shown in a structured layout for visual reference
Palletized rectangular cartons stacked at a 45-degree angle, each box clearly labeled for identification
Palletized cartons with clear labeling prepared for factory shipment
Rows of multi-color 3D printing filament spools organized on storage racks, showing a wide selection of PLA and specialty filaments
A wide range of 3D printing filament spools in different colors and material types, stored for organized inventory and distribution.
Stacks of multi-color 3D printer filament spools arranged in bulk storage, showing large inventory for distribution and supply
Bulk stacks of 3D printing filament spools in various colors, prepared for organized storage and distribution.

1. Drying Required: Bambu PETG-CF must be properly dried before printing. In a blast drying oven: 65°C for 8 hours; In an AMS 2 Pro and AMS HT: 65°C, 8 hours; On an X1 printer’s heatbed: 75°C to 85°C for 12 hours. Store in a dry environment after use. For more details, please refer to: Filament drying instructions on WIKI.

2. Nozzle Recommendation: Due to the addition of carbon fiber, PETG-CF requires a more wear-resistant hardened steel nozzle. While a 0.4 mm hardened steel nozzle can be used, a 0.6 mm hardened steel nozzle is recommended to further reduce the risk of clogging.

3. Z-Axis Strength: For stronger Z-axis adhesion, increase the infill density. Avoid using an open-frame printer and refrain from setting the cooling fan speed too high, as overcooling can weaken layer bonding.

4. Surface Finish: For a shinier appearance, use lower printing speeds and slightly higher nozzle temperatures.

5. Refill Guide: The refill filament needs to be used with a spool. For detailed instructions on how to swap in the new filament using the Bambu Reusable Spool, please refer to the guide on WIKI.

Specification

Accessory Compatibility

CategoryRecommendedNot Recommended
AMS SeriesAMS, AMS 2 Pro, AMS HTAMS lite
Build PlateCool Plate SuperTack, Smooth PEI Plate, Textured PEI Plate/
HotendHardened Steel Nozzle 0.4 mm / 0.6 mm / 0.8 mmStainless Steel Nozzle (All Sizes)

Parameters Comparison

Mechanical PropertyPETGBambu PETG-CFImprovement
XY Bending Modulus1800 MPa2910 MPa+61%
XY Impact Strength34.1 kJ/m²41.2 kJ/m²+21%
Z Impact Strength8.7 kJ/m²10.7 kJ/m²+23%

Dimensions Filament Spool

Spool TypeContent [g]Width [mm]Outer Diameter [mm]Inner Diameter [mm]Material
Standard / Reusable Spool500 / 10006720055Plastic
Cardboard Spool7506720055Cardboard
Refill≈ 60≈ 170≈ 80

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Bambu Lab PETG-CF Titan Gray  Filament 1.75mm 1kg Bambu Lab PETG-CF Titan Gray Filament 1.75mm 1kg
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