Can the Bambu Lab A1 print carbon and glass-fibre filled filament?
Conflicting information
Bambu's own pages disagree. The A1 product page lists carbon and glass-fibre filled filament as not recommended. Bambu's filament guide lists PLA-CF and PLA-GF as compatible with open-frame A Series printers such as the A1. We can't tell you which applies, so we give no verdict.
What Bambu says either way
- Whichever page you follow, Bambu says these filaments need a hardened steel nozzle. The A1 ships with a stainless steel nozzle, which Bambu says wears out quickly with them.
- Fitting a hardened nozzle meets that one requirement. It doesn't settle the disagreement between Bambu's two pages.
- For nylon (PA), PET and PPA filled with carbon or glass fibre, the A1 page warns of weaker layers and more warping on large prints, and says they suit small prints with low infill.
9 quotes from Bambu Lab, checked 11 October 2026. See the maker's words
SRC 01 Bambu Lab A1 (UK store)
Supported Filament PLA, PETG, TPU, PVA Ideal ABS, ASA, PC, PA, PET, Carbon/Glass Fiber Reinforced Polymer Not Recommended
How to read this: On Bambu's spec table each list comes before its label: PLA, PETG, TPU and PVA are marked Ideal; ABS, ASA, PC, PA, PET and carbon or glass-fibre filled filament are marked Not Recommended.
Bambu Lab · checked 11 October 2026
SRC 02 Filament guide: material table (Bambu Lab Wiki)
Open-frame printer (A Series, P1P, etc. ) ... PLA-CF/GF Compatible Compatible
How to read this: In the guide's printer table the first 'Compatible' is the open-frame column (A Series) and the second is the enclosed column.
Bambu Lab · checked 11 October 2026
SRC 03 Filament guide: material table (Bambu Lab Wiki)
their CF/GF reinforced materials ... Not prone to warping; no mandatory temperature requirements Open-frame or enclosed printer
Bambu Lab · checked 11 October 2026
SRC 04 Bambu Lab A1 (UK store)
When printing filaments containing hard particles (CF, GF, etc.) ... it is necessary to replace the nozzle with hardened steel to prevent excessive wear
Bambu Lab · checked 11 October 2026
SRC 05 Filament guide: material table (Bambu Lab Wiki)
When printing carbon fiber or glass fiber-reinforced materials
Bambu Lab · checked 11 October 2026
SRC 06 Filament guide: material table (Bambu Lab Wiki)
Do not use a stainless steel or brass nozzle. Their hardness is insufficient, so they wear out quickly
Bambu Lab · checked 11 October 2026
SRC 07 Bambu Lab A1 (UK store)
risk of reduced interlayer strength and increased warping for large-sized models
Bambu Lab · checked 11 October 2026
SRC 08 Bambu Lab A1 (UK store)
PA-CF/GF, PET-CF/GF, PPA-CF/GF
Bambu Lab · checked 11 October 2026
SRC 09 Bambu Lab A1 (UK store)
can be used on the A1 to print small-sized models with low filling density
Bambu Lab · checked 11 October 2026
