Thermosetting Unsaturated Polyester Resin Market Global Report 2026

The thermosetting unsaturated polyester resin market size has grown strongly in recent years. It will grow from $7.2 billion in 2025 to $7.64 billion in 2026 at a compound annual growth rate (CAGR) of 6.0%. The growth in the historic period can be attributed to increasing demand for lightweight composite materials, growing use of unsaturated polyester resins in construction applications, rising demand for corrosion-resistant materials, expanding automotive composite component production, increasing adoption of durable fiberglass-reinforced materials.

The thermosetting unsaturated polyester resin market size is expected to see strong growth in the next few years. It will grow to $9.49 billion in 2030 at a compound annual growth rate (CAGR) of 5.6%. The growth in the forecast period can be attributed to growing demand for bio-based unsaturated polyester resins, rising adoption of lightweight composites in electric vehicles, increasing demand for low-emission resin formulations, growing use of advanced polyester resins in renewable energy equipment, and expanding demand for high-performance composite materials. Major trends in the forecast period include increasing adoption of low-styrene emission polyester resins, growing demand for corrosion-resistant polyester resins, rising development of bio-based unsaturated polyester resins, increasing use of low-shrink polyester resins, and growing demand for high-temperature resistant polyester resins.

The rapid growth in construction is expected to propel the growth of the thermosetting unsaturated polyester resin market in the coming years. Construction refers to the process of building, renovating, or expanding residential, commercial, industrial, and infrastructure facilities using various materials and engineering techniques. The rapid growth in construction is primarily driven by increasing urbanization, which is creating greater demand for residential, commercial, and infrastructure development. Thermosetting unsaturated polyester resins support the construction industry by offering lightweight, durable, corrosion-resistant, and high-strength composite materials used in roofing panels, pipes, tanks, sanitary ware, structural components, and architectural applications. For instance, in February 2026, according to the Office for National Statistics, a UK-based government department, the value of new construction work in Great Britain increased by 1.4% in 2024 to a record $189.01 billion (£140.7 billion), while annual construction new orders increased by 5.6% to $96.32 billion (£71.7 billion). Therefore, the rapid growth in construction is driving the growth of the thermosetting unsaturated polyester resin market.

Major companies operating in the thermosetting unsaturated polyester resin market are focusing on developing advanced solutions, such as bio-based unsaturated polyester resins, to reduce reliance on fossil-based raw materials and enhance sustainability in composite applications. Bio-based unsaturated polyester resins are unsaturated polyester resins produced wholly or partially from renewable biological feedstocks, including plant-based oils, sugars, or biomass-derived chemicals, rather than conventional petroleum-based raw materials. For instance, in May 2025, Bowden Chemicals, a UK-based specialty chemical company, secured a government SMART grant to develop a bio-based unsaturated polyester resin. This innovative resin technology is intended to incorporate renewable materials into unsaturated polyester resin formulations, providing a more sustainable alternative to conventional petroleum-derived thermosetting resins. The development focuses on retaining the performance characteristics of traditional UPR systems, including strength, durability, and compatibility with composite manufacturing processes, while reducing carbon footprint and addressing the growing demand for environmentally responsible materials across industries such as automotive, construction, and marine composites.

In November 2024, Nippon Paint Holdings Co. Ltd., a Japan-based coatings and chemicals company, acquired AOC for €2.1 billion ($2.3 billion). Through this acquisition, Nippon Paint aims to reinforce its position in the global composites and specialty materials industry, broaden its resin technology portfolio, and strengthen its capabilities in high-performance coating and composite applications. AOC Resins LLC is a Switzerland-headquartered manufacturer of specialty resin formulations, including unsaturated polyester, vinyl ester, alkyd, and other resins used in composites, coatings, adhesives, and specialty applications.

Major companies operating in the thermosetting unsaturated polyester resin market are Polynt SpA, Jiangsu Yabang Dyestuff Co Ltd, U-Pica Company Limited, Scott Bader Company Limited, Tianma Group Co Ltd, MARTE SpA, Kanoria Chembond Private Limited, Mechemco Industries, Orson Resins And Coatings Private Limited, Satyen Polymers Limited, Changzhou Huake Polymers Co Ltd, Jiangsu Fullmark Chemicals Co Ltd, Tianhe Resin Co Ltd, Primex Industries, Morex Industries Private Limited, Adgel Corporation, Strongbond Polyseal Private Limited, Pliogrip Resins And Chemicals Private Limited, Shree Chem Resins Private Limited, MN Polyester India Private Limited, Dharmit Composites Polymers Private Limited.

Asia-Pacific was the dominant region in the thermosetting unsaturated polyester resin market in 2025. Asia-Pacific is expected to be the rapidly growing region in the forecast period. The regions covered in the thermosetting unsaturated polyester resin market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa.

The countries covered in the thermosetting unsaturated polyester resin market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

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