ThermaX ULTEM 1010


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ThermaX ULTEM 1010


This ultra-performance 3D printing filament is manufactured using ULTEM 1010 PEI (polyether imide) resin from Sabic. Filaments made from ULTEM 1010 resin offer an ideal combination of strength and low weight, as well as the ability to create parts with excellent properties at elevated temperatures due to a high glass transition temperature (Tg) of 217°C.

PEI is an amorphous, high-performance polymer which combines excellent thermal properties, exceptional dimensional stability, inherent flame retardancy, and good chemical resistance.

Print ThermaX ULTEM 1010 parts with Funmat HT Enchanced High-Temp 3D Printer.



The excellent balance of flame retardancy, low smoke emission, and low smoke toxicity of ULTEM 1010 makes it an excellent candidate for aerospace applications. ULTEM 1010 meets FAR 25.853 and OSU 65/65 with low toxicity, smoke, and flame evolution. Ultem™ resins are often found in applications such as personal service units, oxygen panels and components, ventilation system components, connectors, cable ducts, latches, hinges, food tray containers, door handles, and interior cladding parts.

Automotive & Transportation:

ULTEM resins provide automotive manufacturers with a high performance, chemically resistant, thermally-stable, cost-effective alternative to metal that is strong enough to replace steel in some applications yet light enough to replace aluminum in others. It is especially useful for applications such as transmission components, throttle bodies, ignition components, sensors, and thermostat housings.


ULTEM resin is an excellent material choice for today’s demanding electrical applications, including connectors, MCB components like housings, shafts and levers, hard disk drive internals, FOUPs, BiTS, PCBs, MCCB internals, Plenum devices, LCD projector internals, fuel cell components, and many other applications.


1.75mm and 2.85mm +/- 0.05mm in diameter


  • Extruder: 370-390°C
  • Bed Temp: 120-160°C
  • Bed Prep: Nano Polymer Adhesive
  • Other: No cooling fan with print speeds of 20mm/s as a starting point
  • Heated Chamber: Recommended, a chamber helps reduce warping and improves layer adhesion
  • Supports: ThermaX HTS High-Temp Support works ideal for complex, high-temp materials just like this.
  • Drying Instructions: 120°C for 4 hours.


If needed, parts printed using ULTEM may be annealed in a hot-air oven to reduce any printed-in stresses which may be present in the part. Printed-in stresses may occur in any plastic and may result in lower than expected mechanical properties. If this is an issue with your part, you can follow this simple 5-step ramp up/down process for annealing the ULTEM parts.

  • Step 1: Place printed parts in cool, room-temp oven.
  • Step 2. Set temp to 300°F and allow to stabilize for 1 hour.
  • Step 3: After 1 hour at 300°F, increase oven temp to 400°F and allow to stabilize 1 additional hour.
  • Step 4: After 1 hour at 400°F, reduce heat back to 300°F and allow to stabilize for 30 minutes.
  • Step 5: After 30 minutes, turn off oven heat and allow printed parts to return to room temp inside the oven as it cools.

Additional information

Weight 33 kg
Dimensions N/A
Filament Diameter





250 grams, 500 grams