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Copolyester FDM Filaments

Tritan Copolyester

Eastman
☀ UV Stable ✓ Food Safe ⬡ Chemical Resistant
230–260
°C
Print Temp
75
°C
Max Service
Overview
Eastman Tritan-based copolyester with exceptional chemical resistance and crystal clarity. BPA-free and food-safe certified. Superior to PETG for applications requiring transparency and chemical exposure resistance. Prints similarly to PETG.
Properties
Difficulty
intermediate
Flexibility
semi-flex
Layer Adhesion
good
Enclosure
no
Heated Bed
no
Dry Storage
recommended
Pros
  • BPA-free and food-safe when properly printed
  • Crystal clear optical quality
  • Excellent chemical resistance (acids, bases, dishwasher safe)
  • Low shrinkage
  • Better than PETG for transparency
  • Odorless printing
Cons
  • Higher cost than PETG
  • Less widely available
  • Some brands inconsistent diameter
  • More brittle than PETG
  • Limited colors (usually clear/natural)
  • Not as common in maker community
Best For
  • Food containers|Water bottles|Medical device prototypes|Transparent parts|Chemical resistant transparent covers|Lab equipment
Avoid For
  • High-temperature applications|Structural parts requiring flex|When cost matters more than properties
Storage
Keep dry — copolyesters absorb moisture. Dry at 60°C for 4 hours if hazy. Food-safe only when printed correctly (no layer lines to harbor bacteria).
Brands
Eastman Amphora3DXTECH TritanPolymaker TritanFormFutura Centaur