The global thermoplastic polyimides market size is anticipated to reach USD 1,364.7 million by 2033 and is expected to expand at a CAGR of 9.2% from 2025 to 2033, according to a new report by Grand View Research, Inc. The market forms a specialized segment of the global high-performance polymers industry. It is recognized for its ability to deliver extreme thermal stability, electrical reliability, and mechanical strength in demanding environments. These materials serve industries that require consistent performance under high heat and stress, including electronics, mobility, aerospace, and precision manufacturing. Their technical profile positions them as strategic materials within next-generation engineering applications.
Demand for thermoplastic polyimides continues to grow as industries shift toward compact, high-power systems and lightweight component architectures. Manufacturers rely on these polymers to meet rising expectations for durability, insulation, and long service life. The move toward electrified mobility and high-frequency electronics has expanded the relevance of TPIs beyond niche aerospace uses. This expansion is creating steady opportunities for suppliers across global value chains.
One of the major drivers of this market is the need for materials that maintain structural and electrical integrity at elevated temperatures. Thermoplastic polyimides outperform many engineering plastics by offering higher thermal resistance and better dimensional stability. These capabilities support OEMs seeking to improve device reliability while controlling system-level heat management. Their consistent performance under long operating cycles makes them attractive for high-value assemblies.
Advances in polymer chemistry and processing technologies are also lifting market growth. Producers are developing grades with improved melt flow, enhanced toughness, and better compatibility with advanced manufacturing processes, including injection molding and additive manufacturing. These improvements enable designers to integrate TPIs into more complex parts, thereby reducing production time and scrap. As innovation accelerates, the material’s addressable market is expected to expand across both established and emerging applications.
The market players are focusing on various strategic initiatives such as mergers, acquisitions, and collaborations. For instance, in October 2025, Mitsui Chemicals and Polyplastics struck a marketing partnership. Beginning January 2026, Polyplastics will handle marketing for Mitsui’s AURUM® thermoplastic polyimide products, while Mitsui continues R&D and manufacturing.
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Based on product, the unfilled segment accounted for the largest share of 38.23% in 2024.
Based on application, the electronics & electrical segment accounted for the largest share of 38.80% in 2024.
North America dominated the global market with the largest revenue share of 34.88% in 2024. Growing investments in semiconductor fabrication and advanced packaging are boosting demand for TPIs that maintain electrical integrity and dimensional stability under elevated operating temperatures.
The U.S. led the North America market and captured around 75% of the revenue market share in 2024.
Grand View Research has segmented the global thermoplastic polyimides market on the basis of product, application, and region:
Thermoplastic Polyimides Product Outlook (Volume, Tons; Revenue, USD Million, 2021 - 2033)
Unfilled
Glass-filled
Carbon-filled
Other Products
Thermoplastic Polyimides Application Outlook (Volume, Tons; Revenue, USD Million, 2021 - 2033)
Electronics & Electrical
Aerospace & Defense
Automotive
Industrial & Machinery
Other Applications
Thermoplastic Polyimides Regional Outlook (Volume, Tons; Revenue, USD Million, 2021 - 2033)
North America
U.S.
Canada
Mexico
Europe
Germany
UK
France
Italy
Spain
Asia Pacific
China
India
Japan
South Korea
Latin America
Brazil
Argentina
Middle East & Africa
Saudi Arabia
South Africa
UAE
Key Players in the Thermoplastic Polyimides Market
Mitsui Chemicals, Inc.
SABIC
Solvay S.A.
DuPont de Nemours, Inc.
Evonik Industries AG
Saint-Gobain Performance Plastics Corporation
Ensinger GmbH
Victrex plc
Toray Industries, Inc.
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