Insight Polymers Develops Reactive Polyetherimide for 3D Printing
The new xPEI material provides high-temperature isotropic properties for use in SLS and FDM printing systems.
Updated on Oct. 20, 2026 in Materials Science

Insight Polymers has introduced a reactive polyetherimide (xPEI) designed to improve 3D printing capabilities. The polymer functions as both a reusable powder for selective laser sintering (SLS) and a filament for fused deposition modeling (FDM).
Why it matters
This material addresses manufacturing challenges for parts that are difficult to produce using traditional injection molding or subtractive methods. It offers a new solution for high-performance applications in the aviation and semiconductor sectors.
The polymer achieves isotropic properties in high-temperature production through a controlled thermal cure process. It is compatible with existing SLS and FDM hardware platforms.
The players
Insight Polymers
Insight Polymers is a materials science company focused on developing specialized polymers for industrial additive manufacturing.
The details
The xPEI material is engineered to maintain consistent mechanical performance during the printing process. Utilizing SLS technology with this powder also significantly reduces material waste compared to subtractive manufacturing techniques.
Timeline
October 20, 2026: Article publication date.
The Big Picture
This development represents a departure from the standard injection molding manufacturing process by enabling the production of geometries previously considered too complex. It expands the utility of additive manufacturing in high-stakes industrial environments.
This material could eventually lead to lighter, more durable aviation components and more efficient semiconductor manufacturing hardware. It offers manufacturers a path to reduce waste while maintaining high-temperature structural integrity.
The takeaway
Industrial users can leverage the xPEI material to bridge the gap between prototyping and high-performance final part production. Consider testing this material if your current manufacturing cycle involves high-temperature requirements or complex geometries.
Further reading
For more on advancements in manufacturing, visit the Materials Science section.
Source note: This article includes information reported by DEVELOP3D.







