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For general carbon fiber or glass fiber filaments such as Bambu PAHT-CF and PET-CF, it is recommended to use a hardened steel 0.6 mm nozzle to minimize the risk of clogging and abrasion.
A1 Series Hotends
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Quick Change Hotends for A1 and A1 Mini
Filaments with carbon fiber, glass fiber, metal, or other inorganic particles are prone to clog a 0.2 mm nozzle.
Bambu PLA-CF and Bambu PETG-CF have been extensively tested and proven to have a low risk of clogging when printed with a hardened steel 0.4 mm nozzle, while also achieving higher print quality.
For general carbon fiber or glass fiber filaments such as Bambu PAHT-CF and PET-CF, it is recommended to use a hardened steel 0.6 mm nozzle to minimize the risk of clogging and abrasion.
Learn more about filament compatibility on Bambu Lab Wiki.