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SUNLU PETG vs Bambu Lab PETG HF

From the SUNLU PETG review: Bambu PETG HF prints far faster and needs less tuning; SUNLU is the choice when filament cost dominates.

SUNLU PETG SUNLU · PETG
★ Best overall Bambu Lab PETG HF Bambu Lab · PETG
Measured wins
SUNLU PETG: 0 Bambu Lab PETG HF: 2
Spec SUNLU PETGBambu Lab PETG HF
Overview
Material PETG PETG
Manufacturer SUNLU Bambu Lab
Diameter 1.75 mm 1.75 mm
Thermal
Print temp 220 to 250°C 230 to 260°C
Bed temp 60 to 80°C 65 to 75°C
Warping low low
Quality
Layer adhesion 5/5 5/5
Bed adhesion 4/5 4/5
Stringing resistance 3/5 4/5
Verdict
Overall rating 4.2/5 4.5/5
Price / kg — —

How they differ on the data

Bambu Lab PETG HF runs 10°C hotter on the nozzle (window midpoints 245°C and 235°C), and the two windows share 20°C of range, so one profile can cover both. Bed windows are centered on the same temperature (70°C), and the two windows share 10°C of range, so one profile can cover both. SUNLU PETG lists the wider window (20°C against 10°C).

Which one for the job

Pick Bambu Lab PETG HF for mechanical parts.

Pick SUNLU PETG for prototyping.