PP (Polypropylene) vs PETG

Compare PP (Polypropylene) and PETG filaments side-by-side so you can pick the right one for your 3D printing project.

PP (Polypropylene) vs PETG: PP (Polypropylene) is known for very tough, while PETG is known for tougher than pla. PP (Polypropylene) is easier to print; PETG prints at higher nozzle temperatures (230-250°C vs 220-245°C). Choose PP (Polypropylene) for very tough, or PETG for tougher than pla.

Key differences at a glance

Property
PP (Polypropylene)
PETG
Nozzle temp
220-245°C
230-250°C
Bed temp
70-100°C
70-90°C
Enclosure needed
No
Optional
Ease of printing
Easy
Moderate
Moisture sensitivity
low
moderate

PP (Polypropylene)

-

Very tough, durable, all-weather, extremely lightweight

PETG

A

Polyethylene Terephthalate Glycol-modified

Tougher than PLA, higher temp tolerance, more durable in real-world use

Detailed Comparison

Property
PP (Polypropylene)
PETG
Tier Rating
Tier null
Tier A
Family
PP
PETG
Nozzle Temp
220-245°C
230-250°C
Bed Temp
70-100°C
70-90°C
Enclosure
not needed
optional
Cooling
Moderate cooling; too much cooling can hurt layer adhesion
Moisture Sensitivity
low
moderate

Green marks the generally easier or more forgiving option in that row, based on tier, enclosure needs, and moisture sensitivity. It is not always the better choice for a specific job, so weigh it against what your project actually needs.

Strengths Comparison

PP (Polypropylene) Strengths

  • Very tough, durable, all-weather, extremely lightweight
  • Industrial-relevant material properties

PETG Strengths

  • Tougher than PLA, higher temp tolerance, more durable in real-world use
  • Good clarity and low friction among easy-to-print materials

Considerations

PP (Polypropylene) Caveats

  • Even harder to print than PP; peels/curls more aggressively

PETG Caveats

  • Overhangs/bridges sag; supports can be hard to remove
  • Absorbs water fairly quickly

Frequently Asked Questions

What is the difference between PP (Polypropylene) and PETG?
PP (Polypropylene) prints at 220-245°C nozzle / 70-100°C bed (No enclosure, low moisture sensitivity). PETG prints at 230-250°C nozzle / 70-90°C bed (Optional enclosure, moderate moisture sensitivity).
Is PP (Polypropylene) or PETG stronger?
Our dataset does not include comparable tensile strength values for both. Qualitatively, PP (Polypropylene) is suited to very tough, while PETG is suited to tougher than pla.
Which prints at a higher temperature, PP (Polypropylene) or PETG?
PETG prints at a higher temperature (230-250°C nozzle vs 220-245°C for PP (Polypropylene)).
Is PP (Polypropylene) or PETG better for beginners?
PP (Polypropylene) is better for beginners: enclosure is no and moisture sensitivity is low, vs optional enclosure and moderate moisture for PETG.
Should I use PP (Polypropylene) or PETG for very tough?
For very tough, PP (Polypropylene) is usually the better fit (Very tough). Choose PETG instead when tougher than pla.

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