Fillamentum FlexFill 98A vs PETG

Compare Fillamentum FlexFill 98A and PETG filaments side-by-side so you can pick the right one for your 3D printing project.

Fillamentum FlexFill 98A vs PETG: Fillamentum FlexFill 98A is known for excellent layer adhesion, while PETG is known for tougher than pla. Fillamentum FlexFill 98A is easier to print. Choose Fillamentum FlexFill 98A for excellent layer adhesion, or PETG for tougher than pla.

Key differences at a glance

Property
Fillamentum FlexFill 98A
PETG
Nozzle temp
240°C
230-250°C
Bed temp
50°C
70-90°C
Enclosure needed
No
Optional
Ease of printing
Easy
Moderate
Moisture sensitivity
low
moderate

Fillamentum FlexFill 98A

-

Excellent layer adhesion; extremely impact resistant; highly durable

PETG

A

Polyethylene Terephthalate Glycol-modified

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

Detailed Comparison

Property
Fillamentum FlexFill 98A
PETG
Tier Rating
Tier null
Tier A
Family
Flexible
PETG
Nozzle Temp
240°C
230-250°C
Bed Temp
50°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

Fillamentum FlexFill 98A Strengths

  • Excellent layer adhesion; extremely impact resistant; highly durable
  • Great for combat robots, tactical/rough-use parts
  • Rubber-like parts (gaskets, grips, bumpers, wheels)

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

Fillamentum FlexFill 98A Caveats

  • Slow printing; retraction can cause jams (especially in Bowden setups)
  • Stringing is common
  • Very moisture sensitive; wet TPU prints poorly

PETG Caveats

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

Frequently Asked Questions

What is the difference between Fillamentum FlexFill 98A and PETG?
Fillamentum FlexFill 98A prints at 240°C nozzle / 50°C bed (No enclosure, low moisture sensitivity). PETG prints at 230-250°C nozzle / 70-90°C bed (Optional enclosure, moderate moisture sensitivity).
Is Fillamentum FlexFill 98A or PETG stronger?
Our dataset does not include comparable tensile strength values for both. Qualitatively, Fillamentum FlexFill 98A is suited to excellent layer adhesion, while PETG is suited to tougher than pla.
Which prints at a higher temperature, Fillamentum FlexFill 98A or PETG?
Both print at similar nozzle temperatures (240°C vs 230-250°C).
Is Fillamentum FlexFill 98A or PETG better for beginners?
Fillamentum FlexFill 98A is better for beginners: enclosure is no and moisture sensitivity is low, vs optional enclosure and moderate moisture for PETG.
Should I use Fillamentum FlexFill 98A or PETG for flexible parts?
For flexible parts, Fillamentum FlexFill 98A is usually the better fit (Excellent layer adhesion). Choose PETG instead when tougher than pla.

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