ABS vs PETG: which filament should you use?
Per-kg price, temperatures, food contact and a worked cost example for the same part printed in ABS and PETG. Plus a verdict on the five dimensions that matter when picking between them.
Specs side by side
Same part, different filament
50 g part, 6 h print time on a Bambu Lab A1 (the reference printer at 130 W) with 8% failure rate. Only the filament price changes between columns.
ABS
- Filament$1.10
- Energy$0.14
- Unit Cost$1.50
- Final Consumer Price$6.53
PETG
- Filament$1.25
- Energy$0.14
- Unit Cost$1.66
- Final Consumer Price$7.23
Verdict by dimension
Cheaper per kg
ABSABS averages $22.00/kg vs $25.00 for PETG — every gram you print costs less.
Easier to print
PETGPETG is rated 2/5 difficulty vs 4/5 for ABS — fewer failed prints while you tune.
Lower print temperature
TieBoth filaments land within the noise threshold for this dimension.
Open-frame friendly
PETGPETG prints reliably without an enclosed chamber; ABS warps or cracks without one.
Food contact
PETGPETG is rated Yes for food contact, while ABS is rated No.