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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.
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.

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The introduction of BIEGLO’s GiMiDE PEI resin provided a second source option to SABIC’s ULTEM resin in European PEI supplies. Other resin manufacturers may develop their own qualified second sources of PEI resins, minimizing customers’ dependency on just one supplier, further reshaping the polyetherimide (PEI) market dynamics.
SABIC launched ULTEM DU762 PEI resin for smartphone middle frames, allowing fast injection molding and metallic appearance. PEI resin manufacturers can focus on consumer electronics and develop special grades which might replace metal parts with lightweight solutions.
Kingfa finished its pilot line of PEI at kiloton scale, going into small-scale commercial sales and further developing process optimization, applications and large-scale manufacturing. New market entrants may explore opportunities in regional manufacture of PEI and manufacture of customized grades for use in electronics, electric vehicles, medicine, communications, and aerospace industries.
SABIC launched ULTEM SU3102P PEI oligomer that improves toughness and stiffness of light weight thermoset composite material used in aircraft structures. Companies in the polyetherimide (PEI) market can make PEI oligomers and composite formulations suitable for use in aircraft structures.
Manufacturers are relying increasingly on PEI in order to create lightweight cabin structures, ducting, brackets, and composite parts where fire resistance and stability are essential, widening the polyetherimide (PEI) market scope. In May 2024, SABIC showcased versatile ULTEM resins at AIX 2024, highlighting lightweight, flame-resistant solutions for demanding aerospace interior applications. It is also approved by major aerospace OEMs and helps material suppliers respond to the persistent demand for lightweight polymer options.
Additive manufacturing is providing an opportunity for the development of the polyetherimide (PEI) market through its role in the production of materials that can withstand high temperatures and heavy loads. ULTEM 9085 is especially targeted at FDM printing and has aerospace and rail applications rated according to FAR 25.853 and EN45545 R6-HL3. SABIC produces PEI powders and filaments for additive manufacturing and also supplies PEI filament products for the healthcare sector designed to provide mechanical properties and sterilization capability. In December 2025, SABIC launched fluorine-free polycarbonate resin, enhancing medical device safety while supporting stringent healthcare material requirements.
Electrification compels suppliers in the polyetherimide (PEI) market to develop materials resistant to high temperatures, electrical stresses, and chemical environments in EVs. SABIC offers ULTEM resins that are useful in manufacturing EV cooling systems, radar antennas, inverters, capacitors, current collectors, and other precision components. In its range of EV solutions, SABIC views PEI as a possible alternative to metals in busbars and castings to achieve lighter vehicles. With miniaturization of battery pack and power electronics, there is a rising need for materials having excellent dimensional stability and electrical insulation properties in the thermal cycling environment. In June 2025, Mavel Powertrain selected Syensqo’s advanced materials for high-voltage e-motors, supporting thermal management and electrical insulation performance.
In the semiconductor market, there is a growing demand for high flow PEI grades that would be capable of filling thin and complicated parts without affecting their dimensional accuracy. SABIC offers Superflow ULTEM SF2250EPR and SF2270 grades designed for burn-in test sockets and miniaturized connectors. In the ULTEM product line, there are materials used in semiconductor production, which include films having high heat resistance and low coefficient of thermal expansion, thereby boosting demand in the polyetherimide (PEI) market. In August 2026, Mitsubishi Chemical launched a new filler addressing semiconductor package warpage, improving reliability, and supporting advanced electronics manufacturing applications.
Sustainability is emerging as one of the key aspects of product development in the polyetherimide (PEI) market, as OEMs are looking for materials that have lower impact without requiring any changes in existing processing conditions or compromising their high-temperature capabilities. SABIC offers a range of new ULTEM polymers that offer a bio-based renewable grade, certified by ISCC+, along with ULTEM grades that include 30% of post-consumer recycled material and bio-based PEI solutions. In November 2021, SABIC introduced its bio-based ULTEM platform in which it substituted 25.5 kg of fossil-based feedstocks per 100 kg of polymer based on renewable resources using the mass balance approach. Moreover, in April 2024, Asahi Kasei launched Xyron bio-derived modified polyphenylene ether, reducing environmental impact while maintaining performance for sustainable automotive applications.
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
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
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
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
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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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.

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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.

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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.

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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.
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.

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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.
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.
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.
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.
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.
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.*
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.*
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.
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.
| 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:
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| Breakup by Process Type |
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| Breakup by Form |
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| Breakup by End Use |
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| Breakup by Region |
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| Market Dynamics |
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| Competitive Landscape |
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| Companies Covered |
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| Report Price and Purchase Option | Explore our purchase options that are best suited to your resources and industry needs. |
| Delivery Format | Delivered as an attached PDF and Excel through email, with an option of receiving an editable PPT, according to the purchase option. |
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