Polyphenylene Sulfide (PPS) Composite Market Size & Share Analysis - Growth Trends and Forecast (2026 - 2031)

Market Overview

Polyphenylene Sulfide (PPS) Composite Market Snapshot & Metrics Overview

Study Period	2021 - 2031
Market Size (2026)	USD 3.17 Billion
Market Size (2031)	USD 4.67 Billion
Growth Rate (2026 - 2031)	8.06 %
Fastest Growing Market	Asia-Pacific
Largest Market	Asia-Pacific
Market Concentration	Medium
Major Players *Disclaimer: Major Players sorted in no particular order Image © Mordor Intelligence. Reuse requires attribution under CC BY 4.0.

• Asia

Market Trends and Insights

EV Battery Thermal Management Integration

Thermal management has become a major performance requirement in lithium-ion battery system design. PPS composites are used in coolant pump housings, thermostat bodies, and connector overmolds that operate at 180 °C to 260 °C while contacting water-glycol mixtures in tightly packaged battery systems. Envalior reported in May 2025 that its glass-fiber-reinforced Xytron G4080HR PPS grade showed minimal delamination after 3,000 hours in water-glycol coolant at 135 °C^[1]. Each battery pack requires multiple thermally stable polymer parts, including structural brackets, thermal barriers, electrical isolators, and cooling-system components, so that qualification decisions may affect several component families at once. This requirement increases PPS composite content per electric vehicle and supports automotive-grade glass fiber-reinforced composites in the polyphenylene sulfide (PPS) composite market.

Miniaturized High-Frequency Electronics

Fifth-generation (5G) millimeter-wave networks and artificial intelligence inference infrastructure require substrates and connectors with low dielectric loss, reliable signal transmission, and stable properties at high frequencies. PPS derivatives can deliver dielectric constants below 3.0 and dissipation factors below 0.003 at frequencies of 10 gigahertz and above. A 2025 Communications Materials study reported a dissipation factor of 0.00087 at 10 gigahertz and a dielectric constant of 2.80 for poly(2,6-dimethyl-1,4-phenylene sulfide). DIC CORPORATION and Unitika Ltd. announced a PPS film in October 2024 that was engineered to reduce transmission loss at millimeter-wave frequencies from 30 to 300 gigahertz^[2]. The material was being prepared for commercial production for next-generation communication devices and automotive radar, where the choice of substrate affects the usable performance window of the finished hardware. 

Metal Replacement and Part Consolidation

PPS composites can reduce component weight by 15% to 30% compared with aluminum and steel assemblies while maintaining dimensional stability above 200 °C. A 10% reduction in vehicle weight typically translates into an 8% improvement in fuel economy, which supports the business case for replacing several metal parts with a consolidated polymer component. Molding compounds support part consolidation because injection molding can combine brackets, housings, and functional inserts into a single component. Glass fiber loading of 30% to 40% can provide heat-deflection temperatures approaching 260 °C while retaining usable stiffness and dimensional control. Long-carbon-fiber PPS compounds have enabled 40% to 50% weight savings in some turbocharger applications compared with metal alternatives, expanding the range of parts that can be considered for replacement. These manufacturing and weight benefits support the role of automotive applications in the polyphenylene sulfide (PPS) composite market.

High-Temperature Filtration Upgrades

Industrial filtration supports demand where particulate-emission rules apply to coal power, waste incineration, and cement production. PPS needle-punched filter felts can operate continuously at 190 °C and resist sulfur dioxide, hydrogen chloride, and ammonia in operating conditions that can shorten the service life of less resistant media. They can provide filtration efficiencies above 99.9% for particulate matter with a diameter of 2.5 micrometers. A 2025 study in Environmental Science & Technology reported that a PPS gradient filtration material extended average cleaning cycles by 188.13 seconds and reduced average residual resistance by 41.84 pascals against commercial polytetrafluoroethylene membrane-lamination media. China’s Ultra-Low Emission policy and India’s particulate limits below 30 milligrams per normal cubic meter are supporting baghouse upgrades across heavy industry, where replacement timing can be as important as first-time equipment installations. These replacement cycles broaden the industrial base of the polyphenylene sulfide (PPS) composite market.

High Material and Processing Cost

PPS composite processing requires melt temperatures above 300 °C and specialized compounding equipment. Stainless-steel or bimetallic barrel-and-screw assemblies are required because PPS can release sulfur compounds that corrode standard steel hardware. Chinese PPS compound prices ranged from USD 3.00 to USD 3.80 per kilogram, compared with USD 1.80 to USD 2.20 per kilogram for polyamide 66 with 30% glass fiber. Retrofitting a standard compounding line with corrosion-resistant tooling can require capital expenditure of millions of USD per line, which increases the cost of serving new or lower-volume programs. Cost-sensitive original equipment manufacturer programs continue to assess other materials where the required performance does not justify PPS processing costs.

Competition from High-Temperature Polyamides

Polyphthalamide grades have reached a Comparative Tracking Index of 600 V and UL 94 V-0 certification at a thickness of 0.4 mm. Their continuous-use temperatures of 150 °C to 160 °C overlap with PPS requirements in some automotive connector applications. Newer grades can be processed at mold temperatures of 90 °C to 110 °C, compared with 130 °C to 160 °C for PPS, which can improve cycle economics for high-throughput molding operations. Celanese Corporation identified high-temperature polyamides as a competitive force in automotive connector procurement in its annual report for the year ended December 31, 2024. The substitution risk is most pronounced below 160 °C, where PPS has less clear thermal differentiation. Polyphthalamide price quotations of USD 6.50 to USD 9.00 per kilogram can become more competitive once energy use, tooling wear, and processing yield are considered.

*Our forecasts treat driver/restraint impacts as directional, not additive. The impact forecasts reflect baseline growth, mix effects, and variable interactions.

Polyphenylene Sulfide (PPS) Composite Market Segment Analysis

Glass fiber-reinforced composites held 58.45% of the polyphenylene sulfide (PPS) composite market share in 2025, supported by established processing practices in automotive, electrical, and industrial filtration applications. Glass fiber loading of 30% to 40% enables heat-deflection temperatures close to 260 °C and helps components retain dimensional stability during coolant or chemical exposure. These grades remain a practical choice for high-volume injection-molded parts because established tooling and material specifications reduce the time needed to introduce a qualified component. They are used in cooling systems, electrical connectors, pump bodies, and other components that require heat resistance with manageable material cost. The broad application base supports continued demand for this type across established end uses and gives suppliers a durable base for grade development.

Carbon fiber-reinforced composites are projected to advance at an 8.75% CAGR through 2031, supported by aerospace qualification activity and demand for lightweight electric vehicle battery enclosures. Continuous carbon fiber PPS composites can be welded, thermoformed, and recycled, unlike thermoset carbon-epoxy materials. This processing flexibility supports manufacturers that are seeking to reduce part counts and production waste without giving up the stiffness required for structural or semi-structural components. It also enables applications that require high stiffness with lower component weight, which broadens the role of continuous-fiber formats in the polyphenylene sulfide (PPS) composite market. 

Molding compounds accounted for 68.03% of the polyphenylene sulfide (PPS) composite market size in 2025, reflecting the scale of injection molding in automotive and electrical manufacturing. Their formulations can vary by glass fiber content from 10% to 65%, mineral filler additions, and flame-retardant packages. This flexibility lets one material platform support multiple parts across a vehicle portfolio, while allowing compounders to tailor a grade to the duty cycle of a specific component. It also reduces the need for procurement teams to qualify unrelated materials under demanding development schedules. Molding compounds remain central to applications that require consistent dimensions, chemical resistance, and efficient production.

Films are projected to advance at a 9.13% CAGR through 2031 as 5G base stations and millimeter-wave radar systems require high-frequency substrates. These applications require low transmission loss and resistance to demanding processing temperatures, which places greater weight on dielectric stability during both manufacturing and use. DIC CORPORATION and Unitika Ltd. announced in October 2024 that their PPS film offered stable dielectric properties from 10 to 1,000 gigahertz, reflow resistance, and sputtering-compatible copper adhesion. Sheets and plates support aerospace and industrial uses that require machined precision. 

Automotive held 34.72% of the polyphenylene sulfide (PPS) composite market share in 2025. Electric vehicle platforms use PPS composites in thermal-management parts, high-voltage connector bodies, and busbar overmolds. These applications need consistent performance above 150 °C in environments that combine heat, vibration, electrical loading, and chemical exposure. Metal replacement and part consolidation also support PPS use in underhood and battery-system components. The automotive base provides predictable demand for glass fiber-reinforced molding grades and remains an important reference point for suppliers expanding vehicle-specific grades.

Aerospace and defense are projected to advance at a 9.36% CAGR through 2031, driven by the continued qualification of continuous carbon fiber PPS laminates in aircraft structures and defense electronics. PPS composites have been qualified for Airbus A350 fuselage connectors and bracket applications, including continuous carbon fiber PPS systems that connect composite frame structures to fuselage wall panels. Testing of Teijin Carbon America's carbon fiber PPS materials supported Supernal LLC's aircraft structure development in 2025. Electrical and electronics demand is supported by PPS moisture absorption below 0.05%, which helps preserve signal stability in high-humidity 5G base-station settings. Industrial oil and gas applications use PPS for resistance to hydrogen sulfide, crude oil, and downhole chemicals in pump components and valve bodies, where material durability affects maintenance requirements.

Geography Analysis

APAC Polyphenylene Sulfide (PPS) Composite Market

Asia-Pacific held 62.87% of the polyphenylene sulfide (PPS) composite market share in 2025 and is projected to advance at a 9.21% CAGR through 2031. China has the largest electric vehicle production base and uses PPS composite thermal barriers, structural brackets, and coolant-system connectors in battery packs. The region combines resin production, compounding capacity, and end-use manufacturing, which shortens supply paths between material qualification and component production. Japan and South Korea remain important sources of high-grade PPS resin through multi-plant systems operated by TORAY INDUSTRIES, INC., DIC CORPORATION, KUREHA CORPORATION, and SK chemicals. This regional production base reinforces Asia-Pacific’s role in the polyphenylene sulfide (PPS) composite market.

China’s expanding capacity is increasing import substitution in mid-grade automotive and industrial composites. NHU PM is targeting a total PPS production of 30,000 metric tons per year through its Phase IV project. Dongtai Qixin began construction of an 80,000-metric-tons-per-year PPS resin project in Huangshan, Anhui Province, in August 2025. The project had a Phase I investment of CNY 1.6 billion (approximately USD 220 million). This capacity expansion is raising competitive pressure on Japanese and Korean producers in downstream applications.

The Americas and EMEA Polyphenylene Sulfide (PPS) Composite Market

North America’s demand is supported by aerospace and defense procurement, automotive thermal management, and industrial filtration. Syensqo expanded its Ryton PPS compounding capability in Augusta, Georgia, in May 2025 at an International Automotive Task Force 16949-certified site. Europe benefits from automotive electrification in Germany and France, and aerospace composites in the United Kingdom and France. South America and the Middle East and Africa are projected to remain modest contributors through 2031, although Saudi Arabia’s energy investment supports demand for refinery and desalination components.