ThermaX PEEK ThermaX PEEK (PolyEtherEtherKetone) is one of the highest-performance polymers in the world. In fact, it’s one of the highest-performance plastics ever invented. PEEK has exceptional mechanical, thermal, and chemical resistance properties making it a go-to material in some of the most demanding applications where failure is not an option. PEEK is an advanced, ultra-high-temperature polymer that demands industrial printing conditions to achieve consistent results. Plan on a 360–450°C hot end, 120–160°C bed, and a fully enclosed, actively heated chamber (70–150°C) to control warping and ensure strong layer adhesion. Best practices also include thorough filament drying, slow print speeds, and reduced or disabled part-cooling fan. Most standard desktop printers can’t reliably maintain these conditions. For greater success, we recommend these high performance filaments: PEKK: Delivers similar “PEAK-family” performance benefits but is often considered more forgiving to dial in than PEEK, with improved layer bonding and reduced warping sensitivity in many setups. It’s a strong step toward PEEK-level capability without as much process difficulty. ULTEM™ (PEI): A high-performance polymer that typically prints more predictably than PEEK while still offering excellent heat resistance and strength. It’s a great choice when you want industrial-level performance with a more manageable processing window. PPS: Known for strong chemical resistance and dimensional stability, and it can be an easier path to consistent parts compared to PEEK. It’s a smart option for environments involving fuels, solvents, or harsh chemicals where reliability matters. MADE IN THE USA We manufacture all of our filaments in our 68,000 ft² manufacturing facility (located in Grand Rapids, Michigan) using state-of-the-art equipment and processes. Our goal continues to be to make the most innovative filaments on the market – targeting difficult end-use applications.
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