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Polyetherimide (PEI) Market Report Overview

The global polyetherimide (PEI) market attained a value of USD 676.52 Million in 2025 and is projected to expand at a CAGR of 6.80% through 2035. The market is further expected to achieve USD 1306.15 Million by 2035. Increasing qualification of PEI for aviation readiness through additive manufacturing applications is driving suppliers to produce traceable grades that balance light weight, fire resistance, and consistent mechanical properties for both aerospace production and tooling applications.

Key Market Trends and Insights

  • Aerospace manufacturers are adopting PEI composites and additive manufacturing grades to reduce component weight while maintaining thermal and flame performance.
  • Semiconductor and electronics producers are demanding high-flow PEI grades supporting thinner components, miniaturization, dimensional precision, and elevated-temperature reliability.
  • Suppliers are expanding recycled and bio-based PEI formulations, helping OEMs meet sustainability targets without compromising established processing and performance requirements.

Market Size & Forecast

  • Market Size in 2025: USD 676.52 Million
  • Projected Market Size in 2035: USD 1306.15 Million
  • CAGR from 2026 to 2035: 6.80%
  • Fastest-Growing Regional Market: Asia Pacific

Advancements in composites for aerospace applications are creating a need for toughened PEI oligomers with good processability and performance at high temperatures, accelerating the overall polyetherimide (PEI) market growth. On the other hand, electronics producers are looking for toughened PEI for use in parts that will be subjected to harsh environments including thermal stress, chemicals, and dimensional stress, driving the expansion of glass-reinforced and specialty PEI grades.

Semiconductor manufacturers are increasingly seeking advanced materials that balance thermal performance, durability, processing efficiency, and sustainability. As a response, in September 2026, SABIC debuted non-fluorinated SILTEM resin, offering high-temperature resistance and electrical performance for demanding semiconductor and electronics applications. This development is commercially relevant since it provides an additional approach to achieving better toughness and not at the expense of processing ease. According to SABIC, the oligomer can enable complex design and help meet requirements of weight, performance, and sustainability.

Product development trends in the polyetherimide (PEI) market are also taking PEI further into the realm of additive manufacturing where material qualification and consistent performance become major factors during purchasing by aerospace and transportation companies. The Stratasys ULTEM 9085 material is qualified for aerospace parts that are made using F900 printer according to published NCAMP allowable and certified grade provides traceability from filament to the lot of raw materials. Similarly, in October 2024, Envalior launched new Tepex high-performance composites with PEI, PPS, PA4.6, PA4.10, and TPC-E matrices.

Polyetherimide (PEI) Market Graph

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Key Trends and Recent Developments

Polyetherimide (PEI) Industry Segmentation

The Expert Market Research's report titled “Polyetherimide (PEI) Market Report and Forecast 2026-2035” offers a detailed analysis of the market based on the following segments:

Market Breakup by Process Type

  • Injection Moulding  
  • Extrusion
  • Thermoforming
  • Compression Moulding

Key Insight: Injection molding is where there is a need for precision, repeatability, and mass-produced components. Extrusion molding becomes popular in cases of continuous profiles, films, tubing, and insulation with the need for uniform size. Thermoforming is suitable in cases of lightweight components with a need for moderate quantities and geometries that can change. Compression molding is used in cases of reinforced PEI components, accelerating the polyetherimide (PEI) market expansion. All these molding methods address various needs in manufacturing, and their choice is based on geometries, production quantities, reinforcement, surfaces, and thermal properties.

Market Breakup by Forms

  • Film 
  • Sheet 
  • Granule 
  • Tube 
  • Rod

Key Insight: As per the polyetherimide (PEI) market report, for applications requiring thin, electrically insulating materials with stable dielectric properties, films are preferred. For structural panels and precision components requiring high rigidity and heat resistance, sheets are preferred. Granules continue to be useful as the feed stock for injection molding and compounding because of the advantages of their processability and formulating. Tubes are used where chemical resistance and dimensional stability are required.

Market Breakup by End Use

  • Transportation
  • Electrical and Electronics 
  • Medical 
  • Consumer Goods
  • Industrial

Key Insight: The transportation industry employs PEI for light weight connectors, sensors, insulation, and under hood parts subjected to heat and chemicals. Applications within the electrical & electronics sector consider properties such as dielectric strength, dimensional stability, flame retardance, and accuracy of connectors & semiconductor parts. The medical industry makes use of its capability of withstanding sterilization and chemical resistance of repeat-use equipment, accelerating demand in the polyetherimide (PEI) market. Consumer products employ PEI for heat resistant components for kitchen, household and personal use devices.

Market Breakup by Region

  • North America
  • Europe
  • Asia Pacific
  • Latin America
  • Middle East and Africa

Key Insight: The polyetherimide (PEI) market in North America is advantaged by the presence of robust aerospace, semiconductor, medical, and advanced manufacturing industries which need quality high-performance polymers. Europe is aided by its growing automotive electrification, aerospace design, and performance requirements for materials which favor lighter and recyclable products. Asia Pacific benefits from electronics manufacturing, investments in semiconductors, electric vehicles, and polymer processing capabilities. Latin America is influenced by the manufacture of automotive components and industrial upgrading, providing prospects for thermoplastic polymers. Middle East and Africa are experiencing demand for electrical infrastructure and industrial equipment.

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Polyetherimide (PEI) Market Share

By process type, injection molding leads the market due to precision, repeatability, and high-volume production

Injection molding continues to be the most popular process in the polyetherimide (PEI) market due to repeatability of dimensional precision, high temperature performance capability, and efficient production of complex parts. The process is suitable for electrical connectors, semiconductor sockets, automotive sensors, medical housings, and aerospace fittings when precise dimensional specifications are required. Injection molding is preferred due to the ability to extrude thin-wall constructions of reinforced PEI grades while maintaining stiffness and flame performance. In September 2025, Deep Mould launched PEI injection overmolding, enabling high-temperature, durable components for demanding industrial and engineering applications.

Polyetherimide (PEI) Market Segment Process Type

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Extrusion processes register significant growth in the polyetherimide (PEI) market due to the increase in the use of PEI for profiled, film, sheet, tube, and specialized insulation parts. The process ensures controlled manufacturing of long geometries requiring uniform thickness, dielectric strength, and heat resistance. The demand is driven by electrical and electronics applications involving PEI insulation and thin walls with the ability to operate at higher temperatures. The extruded PEI parts are also considered by aerospace and transportation companies.

By form, film variants lead the market growth due to dielectric stability and thin-wall insulation applications

Film formats command considerable share in the polyetherimide (PEI) market due to the combination of PEI properties like high dielectric strength, dimensional stability, transparence capabilities, as well as heat and chemical resistance in the thin form. Demand is driven by the need for electrical insulation, flexible circuits, aerospace interior, and special industrial applications when regular films could lose their characteristics under increased temperatures. PEI film allows making light-weight components without the need for thick material sections. Manufacturers get an opportunity to work on various thickness, surface, and reinforcement characteristics for special purposes. In May 2026, Asahi Kasei developed a novel photosensitive polyimide film for advanced panel-level semiconductor packaging, improving productivity and precision.

Polyetherimide (PEI) Market Segment Form

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Granule forms are boosting development in the polyetherimide (PEI) market, as compounders and processors want to have a flexible PEI raw material for more special molded parts. Granules make it possible to add glass fibers, flame retardants, recycled materials, and other formulation changes prior to the process of injection and compression molding. Such flexibility is necessary for applications in electric vehicles, electronics, healthcare products, and industrial equipment.

Electrical and electronics secure the dominant position in the market due to precision and dielectric performance

The electrical & electronics industry is boosting the overall polyetherimide (PEI) market revenue as PEI has all the properties that are required in this segment including high dielectric strength, fire-retardant property, and good thermal performance. PEI is used in connectors, sockets, insulators, circuit-related products, and handling equipment in semiconductor manufacturing. Miniaturization drives its adoption further as PEI can deliver excellent performance in thin walls and complex structures. Chemical resistance and heat resistance make it suitable for an electronics manufacturing environment. In May 2026, Asahi Kasei developed photosensitive polyimide film for advanced semiconductor packaging, improving productivity, and precision in panel-level manufacturing processes.

Polyetherimide (PEI) Market Segment End Use

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The transportation sector is the fastest-growing end-use industry in the polyetherimide (PEI) market as automobile manufacturers have to make their automobiles lighter, adopt electrification, and deal with high temperature environment of some of the components in cars. It has the potential to replace certain metals and conventional engineering plastics in connectors, sensors, cooling-related products, electrical insulation, and structural parts. Weight-saving capacity and thermal/chemical resistance make it well suited in this industry. Aerospace provides further application scope in terms of lightweight composites and additive manufactured parts.

Polyetherimide (PEI) Market Regional Analysis

North America dominates the market due to aerospace, semiconductor, and advanced manufacturing demand

The North America polyetherimide (PEI) market’s growth is due to the demand from the aerospace, electronics, semiconductor, medical, and automotive industries of the region for engineering polymers with superior performance properties. Established companies in the region require materials which meet tough thermal, electrical, flame, and dimensional requirements in the various components used by these companies. In addition, the presence of advanced additive manufacturing processes and composite material developments offers the PEI suppliers new markets other than the traditional molding processes.

Polyetherimide (PEI) Market Regional Analysis

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Asia Pacific is the fastest-growing regional polyetherimide (PEI) market due to the expansion of electronics assembly, semiconductor manufacturing, electric vehicle production, and industrial capacities in the major countries in the region. PEI benefits from the growing demands for precision connectors, insulating materials, semiconductor handling materials, light weight vehicle applications, and high temperature industrial components. The capability of injection molding, extrusion, and additive manufacturing by regional processors is another factor which will help the PEI suppliers. In August 2026, PEI-Genesis exhibited at AIDEX New Delhi, India, showcasing advanced interconnect solutions for aerospace, defense and industrial applications.

Competitive Landscape

Polyetherimide (PEI) companies are currently emphasizing high-performance grades and applications along with formulations designed to meet the demands of aerospace, electronics, electric vehicles, healthcare, and additive manufacturing markets. Development efforts within the product lines are increasingly focused on reinforcement, flow, flame, dimensional stability, and impact modification as well as the development of lighter-weight materials where metal replacement offers advantages in terms of performance. New advances in manufacturing are opening up possibilities for PEI products like filaments, powders, and composites for aerospace and industrial low-volume components.

A competitive advantage is moving toward providing technical and application support, along with qualification assistance. Polyetherimide (PEI) market players also find opportunities to explore PEI recycling and bio-based grades as OEMs incorporate sustainability into their material specs. The best opportunities for growth remain in semiconductor components, EV electrical components, aerospace composites, healthcare devices, and industrial components requiring heat resistance and dimensional stability that cannot be met by standard polymers.

SABIC

Founded in 1976, SABIC is headquartered in Riyadh, Saudi Arabia, and manufactures ULTEM PEI resins for injection molding, additive manufacturing, film products, and specialty products. The company’s portfolio comprises reinforced, flame-retardant, healthcare, bio-renewable, and bio-recycled content resins. This firm manufactures high-performance engineering thermoplastics for aerospace, automotive, electronics, healthcare, and industrial producers.

RTP Company

Founded in 1982, RTP Company is headquartered in Winona, Minnesota, United States, and manufactures specialized thermoplastic compounds that include PEI plastics tailored to meet demanding needs. Its product development philosophy involves enhancing the performance of plastic materials by reinforcing, making it flame retardant, conductive, and wear resistant.

Solvay SA

Founded in 1863 and based out of Brussels, Belgium, Solvay specializes in innovative specialty polymers and engineered materials for aerospace, automotive, electronics, healthcare, and industrial use. Solvay’s PEI is known for its high-temperature properties, resistance to chemicals, dimensional stability, and weight reduction.

Röchling Group

Founded in 1822 and based out of Germany, Röchling Group specializes in processing high-performance plastic into custom parts and semi-finished goods for industrial, automotive, medical, and electrical use. The company’s capabilities include manufacturing engineering plastics, allowing customers to make use of PEI in precision components that require thermal, mechanical, and chemical stability.

Other key players in the market include Toray Industries, Inc., and Ensinger GmbH, among others.

*Please note that this is only a partial list; the complete list of key players is available in the full report. Additionally, the list of key players can be customized to better suit your needs.*

Key Highlights of the Polyetherimide PEI Market Report

  • Analysis of PEI adoption across aerospace, EV, semiconductor, healthcare, and precision industrial applications.
  • Insights into innovative developments involving reactive PEI oligomers, additive manufacturing grades, and recycled-content formulations.
  • Assessment of material substitution opportunities where PEI is replacing metals and conventional engineering plastics.
  • Detailed evaluation of processing routes including injection molding, extrusion, thermoforming, and compression molding.

Why Rely on Expert Market Research?

  • Research combines material science developments with company-level product and application intelligence.
  • Analysis connects PEI formulation innovations with changing requirements across high-value end-use industries.
  • Coverage distinguishes established applications from emerging opportunities in electrification, additive manufacturing, and advanced composites.

Call to Action

Unlock the latest insights with our polyetherimide (PEI) market trends 2026 report. Discover regional growth patterns, consumer preferences, and key industry players. Stay ahead of competition with trusted data and expert analysis. Download your free sample report today and drive informed decisions in the market.

*While we strive to always give you current and accurate information, the numbers depicted on the website are indicative and may differ from the actual numbers in the main report. At Expert Market Research, we aim to bring you the latest insights and trends in the market. Using our analyses and forecasts, stakeholders can understand the market dynamics, navigate challenges, and capitalize on opportunities to make data-driven strategic decisions.*

Key Questions Answered in the Report

In 2025, the market reached an approximate value of USD 676.52 Million.

The market is projected to grow at a CAGR of 6.80% between 2026 and 2035.

The market is estimated to witness a healthy growth in the forecast period of 2026-2035 to reach about USD 1306.15 Million by 2035.

Stakeholders are developing application-specific PEI grades, expanding qualification programs, strengthening recycling capabilities, targeting aerospace and EV applications, improving additive manufacturing performance, and building regional technical support networks.

The key trends guiding the growth of the market include the growing technological advancements and increasing disposable income. 

The major regions in the market are North America, Latin America, the Middle East and Africa, Europe, and the Asia Pacific.

Injection moulding, extrusion, thermoforming, and compression moulding are the significant process types of polyetherimide (PEI) in the market.

Film, sheet, granule, tube, and rod are the leading forms of polyetherimide (PEI) in the market.

Transportation, electrical and electronics, medical, consumer goods, and industrial are the major end uses of polyetherimide (PEI).

The key players in the market include SABIC, RTP Company, Solvay SA, Röchling Group, Toray Industries, Inc., and Ensinger GmbH, among others.

Companies face high PEI production costs, demanding qualification requirements, limited processing expertise, raw-material complexity, recycling difficulties, and competition from alternative high-performance polymers offering application-specific performance advantages.

Report Summary

Explore our key highlights of the report and gain a concise overview of key findings, trends, and actionable insights that will empower your strategic decisions.

Key Highlights of the Report

Please note that the figures mentioned in the description serve as estimates and may vary from the actual figures presented in the final report.

REPORT FEATURES DETAILS
Base Year 2025
Historical Period 2019-2025
Forecast Period 2026-2035
Scope of the Report

Historical and Forecast Trends, Industry Drivers and Constraints, Historical and Forecast Market Analysis by Segment:

  • Process Type
  • Form
  • End Use
  • Region
Breakup by Process Type
  • Injection Moulding
  • Extrusion
  • Thermoforming
  • Compression Moulding
Breakup by Form
  • Film
  • Sheet
  • Granule
  • Tube
  • Rod
Breakup by End Use
  • Transportation
  • Electrical and Electronics
  • Medical
  • Consumer Goods
  • Industrial
Breakup by Region
  • North America
    • United States of America 
    • Canada
  • Europe
    • United Kingdom
    • Germany
    • France
    • Italy
    • Others
  • Asia Pacific
    • China
    • Japan
    • India
    • ASEAN
    • Australia
    • Others
  • Latin America
    • Brazil
    • Argentina
    • Mexico
    • Others
  • Middle East and Africa
    • Saudi Arabia
    • United Arab Emirates
    • Nigeria
    • South Africa
    • Others
Market Dynamics
  • SWOT Analysis
  • Porter's Five Forces Analysis
  • Key Indicators for Demand
  • Key Indicators for Price
Competitive Landscape
  • Market Structure
  • Company Profiles
    • Company Overview
    • Product Portfolio
    • Demographic Reach and Achievements
    • Certifications
Companies Covered
  • SABIC
  • RTP Company
  • Solvay SA
  • Röchling Group
  • Toray Industries, Inc.
  • Ensinger GmbH
  • Others
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