High-temperature (PEI, PEEK, PEKK) filament

43 filament lines PEEK, PEI, PEKK, PPS, PPSU

What your printer needs

Enclosure
Needed
Hardened nozzle
Not needed
Direct drive
Not needed
Dry before printing
Yes

What High-temperature (PEI, PEEK, PEKK) filament is for

PEI, PEEK, PEKK and the other high-temperature plastics are for industrial printers: a nozzle well above 350 °C and a heated chamber.

Good for

Aerospace, medical and engineering parts

Watch out for

Industrial printers only

High-temperature (PEI, PEEK, PEKK) filaments to compare

The ones SimplyPrint accounts use most first, then the ones you can buy online and that have slicer profiles.

Brands that make High-temperature (PEI, PEEK, PEKK) filament

Frequently asked questions

What is High-temperature (PEI, PEEK, PEKK) filament good for?

PEI, PEEK, PEKK and the other high-temperature plastics are for industrial printers: a nozzle well above 350 °C and a heated chamber.

Does High-temperature (PEI, PEEK, PEKK) need an enclosure?

Yes. It warps and cracks in an open printer; print it in an enclosed, warm one.