Unsaturated Polyester Resins Market Size, Share, and Growth Analysis, By Type (Orthophthalic Resins, Isophthalic Resins), By End Use Industry (Building & Construction, Marine), By Region - Industry Forecast 2026-2033

Unsaturated Polyester Resins Market size was valued at USD 8.5 Billion in 2024 and is poised to grow from USD 8.83 Billion in 2025 to USD 11.99 Billion by 2033, growing at a CAGR of 3.9% during the forecast period (2026-2033).

The demand for unsaturated polyester resins (UPR) is experiencing significant growth, driven by their applications in diverse sectors including construction, transportation, and marine industries. These resins are essential in producing filled plastic items such as gratings, tanks, pipes, and sanitary ware, along with high-performance components like closure panels and boat hulls, leveraging their strength when reinforced with glass fibre. The accelerating infrastructure development and the rising adoption of electric vehicles are key factors propelling the market. Additionally, the automotive sector's shift towards lighter vehicles for improved fuel efficiency further enhances UPR demand. Coupled with increasing urbanization and population growth, the construction industry is expanding, leading to a robust appetite for UPR products across various applications.

Top-down and bottom-up approaches were used to estimate and validate the size of the Unsaturated Polyester Resins market and to estimate the size of various other dependent submarkets. The research methodology used to estimate the market size includes the following details: The key players in the market were identified through secondary research, and their market shares in the respective regions were determined through primary and secondary research. This entire procedure includes the study of the annual and financial reports of the top market players and extensive interviews for key insights from industry leaders such as CEOs, VPs, directors, and marketing executives. All percentage shares split, and breakdowns were determined using secondary sources and verified through Primary sources. All possible parameters that affect the markets covered in this research study have been accounted for, viewed in extensive detail, verified through primary research, and analyzed to get the final quantitative and qualitative data.

Unsaturated Polyester Resins Market Segments Analysis

Global Unsaturated Polyester Resins Market is segmented by type, end user industry and region. Based on type, the market is segmented into orthophthalic resins, isophthalic resins, dicyclopentadiene resins, and other types. Based on end user industry, the market is segmented into building & construction, marine, transportation, pipes & tanks, electrical & electronics, wind energy, artificial stones, other end-use industries. Based on region, the market is segmented into North America, Europe, Asia Pacific, Latin America and Middle East & and Africa.

Driver of the Unsaturated Polyester Resins Market

The unsaturated polyester resins market is experiencing significant growth, largely driven by the increasing demand from the building and construction sector. As construction projects expand globally, the need for durable, versatile, and high-performance materials rises. Unsaturated polyester resins are valued for their lightweight properties, excellent mechanical strength, and corrosion resistance, making them ideal for applications in roofing, flooring, and various structural elements. This surge in demand for innovative construction materials is promoting the adoption of unsaturated polyester resins, further stimulating market growth as industries seek solutions that meet modern construction standards and environmental considerations.

Restraints in the Unsaturated Polyester Resins Market

The presence of alternative materials poses a significant challenge to the growth of the Unsaturated Polyester Resins market. Various substitutes, such as epoxy resins, polyurethanes, and other synthetic polymers, are increasingly gaining traction due to their unique properties and functionalities. This competition can hinder the adoption of unsaturated polyester resins across several applications, as consumers and manufacturers might opt for these alternatives that offer distinct advantages such as improved performance, cost-effectiveness, or environmental benefits. Consequently, the market may face obstacles in expanding its reach and solidifying its position within the broader composites and materials industry.

Market Trends of the Unsaturated Polyester Resins Market

The Unsaturated Polyester Resins (UPR) market is witnessing robust growth driven by heightened demand across diverse end-use sectors, particularly automotive, aerospace, electrical and electronics, and marine. As industries increasingly utilize UPR in composite materials for constructing vehicles and boats, its affordability and lightweight nature enhance its appeal. Notably, UPR's advantageous properties such as corrosion resistance, insulation, flexibility, and durability position it as an ideal choice for applications ranging from printed circuit boards to electrical insulation devices. The expanding usage of UPR in wind energy, aerospace technologies, and storage solutions further underscores its critical role, indicating a promising trajectory for market expansion.