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Bambu Lab PETG-CF vs Bambu Lab PETG HF

From the Bambu Lab PETG-CF review: PETG-CF adds carbon fiber and nozzle restrictions. PETG HF is the unfilled high-speed alternative; compare their requirements for the intended part.

Measured wins
Bambu Lab PETG-CF: 0 Bambu Lab PETG HF: 0
Spec Bambu Lab PETG-CFBambu Lab PETG HF
Overview
Material PETG PETG
Manufacturer Bambu Lab Bambu Lab
Diameter 1.75 mm 1.75 mm
Thermal
Print temp 240 to 270°C 230 to 260°C
Bed temp 65 to 75°C 65 to 75°C
Warping Unknown low
Quality
Layer adhesion Unrated 5/5
Bed adhesion Unrated 4/5
Stringing resistance Unrated 4/5
Verdict
Overall rating — 4.5/5
Price / kg — —

How they differ on the data

Bambu Lab PETG-CF runs 10°C hotter on the nozzle (window midpoints 255°C and 245°C), and the two windows share 20°C of range, so one profile can cover both. Both list the same 65-75°C bed window, so one profile covers both.

Bambu Lab PETG-CF lists 6 colors across 6 families and Bambu Lab PETG HF lists 14 colors across 7 families; 5 families appear in both. Only Bambu Lab PETG-CF covers violet. Only Bambu Lab PETG HF covers orange, yellow.