3D Pilot
← Back to filaments

CPE - Co-Polyester

Technical polyester with strong chemical resistance and cleaner printing.

CPE - Co-Polyester

About the material

CPE is a technical co-polyester often seen as a higher-performance alternative to standard PETG in demanding use. Properties: - Better heat resistance than typical PETG - Good chemical resistance and dimensional stability - Usually less stringing than poorly tuned PETG profiles Best for: chemical-contact parts, warmer environments, transparent or technical covers. Related: PETG, Filament, Chemical Resistance.

Pros

  • Improved heat resistance over many PETG profiles
  • Good chemical durability
  • Can print cleaner with reduced stringing when tuned

Cons

  • Usually costs more than standard PETG
  • Less common profiles and community tuning guides

Best for

  • Chemical containers
  • Heat-exposed components
  • Technical covers
  • Functional transparent parts