HP Filament®
（PEI ULTEM™Type）

This filament is made from PEI (polyetherimide) resin, which offers excellent heat resistance, dimensional stability, and strength at high temperatures. It is designed for MEX (Material Extrusion) 3D printers.

PEI resin (ULTEM™ resin) is a super engineering plastic with exceptional properties.
HP Filament® (PEI ULTEM Type) is a filament designed for MEX-type 3D printers, made from PEI (ULTEM™) resin that offers excellent heat resistance, dimensional stability, and high-temperature strength.
PEI (ULTEM™) demonstrates outstanding heat resistance, dimensional stability, mechanical strength, flame retardancy (UL94 V-0), and low smoke generation. In particular, it excels in thermal stability — with a heat deflection temperature above 200°C and a UL-rated long-term use temperature exceeding 170°C — allowing for continuous use in high-temperature environments.
In terms of mechanical performance, it maintains high strength even under elevated temperatures, ranking among the strongest thermoplastic resins. Additionally, in 3D printing applications, PEI exhibits less warpage compared to PEEK.
Our lineup includes two widely used ULTEM™ grades, “1010-1000” and “9085-1100,” available in two spool weights: 100g and 500g.
Furthermore, we use special heat-resistant spools, enabling the filament to be dried at high temperatures while remaining wound.
For MEX-type 3D printing with PEI (ULTEM™), we highly recommend using our HP Filament®.

Recommended Printing Conditions

ULTEM™　1010-1000

 

ULTEM™　9085-1100

 

Features

Heat Resistance

Shows a heat deflection temperature of over 200 °C and a UL long-term use temperature of over 170 °C.

Electrical Properties

Maintains stable dielectric constant and dielectric loss over a wide range of temperatures and frequencies.
Also possesses high dielectric breakdown strength.

Flame Retardancy

Exhibits a high oxygen index of 47 or more, low smoke emission, and meets UL94 V-0.

Processability

Compared to PEEK, it exhibits less warping in 3D printing, resulting in superior print quality.

Dimensional Stability

Exhibits a very low coefficient of linear thermal expansion over a wide temperature range.

Strength

Exhibits very high mechanical strength and maintains its strength with minimal reduction even at temperatures above 150 °C.

Applications

Used in automotive, electronics, analytical instruments, scientific equipment, semiconductor, medical device, and food machinery component development, etc.(Do not use for implants.)
※Note: ULTEM™ resin is a registered trademark of SABIC.