PEI Filament

Inherently flame retardant filaments for the most demanding applications

Sabic Ultem® 9085, TECAFIL PEI 9085 natural filament in our portfolio, is based on the high performance plastic polyetherimide. This filament has exceptional properties that make it ideal for a wide range of applications. The Ultem® filament has a number of beneficial properties that make this amorphous high performance filament relevant to a wide range of applications. The PEI filament is inherently flame retardant with low smoke emission and meets FST (Flame, Smoke and Toxicity) safety standards. In addition to its fire safety credentials, Ultem® 9085 filament offers a number of beneficial properties. Its amorphous nature gives it excellent dimensional stability, ensuring that printed parts retain their intended shape and dimensions under varying environmental conditions. The high performance filament offers exceptional mechanical strength and chemical resistance, making it suitable for applications that are subject to demanding mechanical loads or exposure to harsh chemicals.


Suitable for a wide range of applications: PEI Filaments from Ensinger

TECAFIL PEI 9085 offers an inherently flame retardant, high performance filament tailored for industries that demand uncompromising safety, performance and reliability.

In the aerospace industry, Ultem® 9085 is valued for its ability to withstand extreme conditions. Its flame retardancy and low smoke emission are critical to meeting aviation regulations, while its strength and chemical resistance make it ideal for structural components that improve aircraft efficiency and safety.

In the transportation sector, Ultem® 9085 is a material of choice for automotive and rail applications. Its flame retardant properties ensure compliance with safety standards, while its durability makes it suitable for interior and engine components, contributing to vehicle reliability and longevity.

Overall, Sabic Ultem® 9085 filament excels in all industries that demand the highest levels of safety, performance and reliability, making it a versatile choice.

TECAFIL PEI 9085 natural - 1,75 mm

TECAFIL PEI 9085 natural is an amorphous high-performance polymer with beneficial properties for applications.
Ultem® is a registered trademark of the Saudi Basic Industries Corporation (SABIC).

Case Studies & Applications

Race Car Engine Components

made with TECAFIL PEI 9085

Flame retardant filaments for race car components

Our TECAFIL PEI 9085 filament is inherently flame retardant, certified to UL94-V0 and meets Flame, Smoke & Toxicity safety standards. 3D printed components made with the filament are therefore perfectly suited for race car applications. Together with development partner DREIGEIST, StarkStrom Augsburg e.V. successfully uses Ensingers 3D printing filament TECAFIL PEI 9085 natural for parts of the race car´s engine. Read more about the exciting application here!