The unsaturated polyester resins (UPR) market involves the production and application of thermosetting resins formed by the reaction of unsaturated polyesters with reactive monomers such as styrene. UPR is extensively used across industries like construction, automotive, marine, electrical & electronics, and composites manufacturing due to its excellent mechanical properties, chemical resistance, and ease of processing. The market is witnessing steady growth, driven by increasing demand for lightweight and durable materials, expanding infrastructure development, and the rising adoption of composites across various industrial applications. As these trends continue, the Unsaturated Polyester Resins Market Share is expected to grow, reflecting its strong presence and expanding applications in multiple sectors worldwide.

The global unsaturated polyester resins market size was valued at USD 13.93 Billion in 2024. Looking forward, IMARC Group estimates the market to reach USD 21.35 Billion by 2033, exhibiting a CAGR of 4.81% during 2025-2033. Asia-Pacific currently dominates the market, holding a significant market share of over 58.0% in 2024. The market is driven by the rising product demand in construction, automotive, and marine industries due to its lightweight, high-strength and corrosion-resistant properties. Increasing infrastructure projects, expanding wind energy applications and advancements in composite materials are also contributing positively to the market growth.

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Key Trends – Unsaturated Polyester Resins Market

• Shift towards eco-friendly and low-VOC resins: Environmental regulations and sustainability initiatives are encouraging the development of bio-based and low-emission polyester resins.
• Rising demand in the construction and automotive sectors: The need for corrosion-resistant coatings, lightweight automotive components, and composite materials is boosting UPR adoption.
• Technological advancements in resin formulations: New formulations are enhancing performance characteristics such as toughness, thermal stability, and faster curing times.
• Growing preference for composites over metals: Industries are increasingly replacing metals with UPR-based composites to reduce weight and improve energy efficiency.
• Expansion in emerging markets: Asia-Pacific, particularly China and India, is witnessing rapid growth due to increased industrialization, urbanization, and infrastructure projects.

Growth Drivers – Unsaturated Polyester Resins Market

1. Increasing demand for lightweight and durable materials – UPR is preferred for applications requiring corrosion resistance and mechanical strength.
2. Growth in construction and infrastructure development – Rising demand for coatings, flooring, and composite materials drives market growth.
3. Automotive sector adoption – Lightweight composite components made with UPR improve fuel efficiency and reduce emissions.
4. Environmental and regulatory push – Development of low-VOC and bio-based resins aligns with global sustainability trends.
5. Technological innovations – Enhanced resin properties and faster curing times expand application potential across industries.

Unsaturated Polyester Resins Industry Segmentation:

Analysis by Type:

• Orthophthalic Resin
• Isophthalic Resin
• Dicyclopentadiene (DCPD) Resin
• Others

Orthophthalic resin stand as the largest type in 2024, holding around 35.7% of the market.

Analysis by End-Use:

• Building and Construction
• Automotive
• Marine
• Pipes, Ducts and Tanks
• Wind Energy
• Electrical and Electronics
• Others

Building and construction leads the market with around 36.7% of the unsaturated polyester resins market share in 2024.

Analysis by Form:

• Liquid Form
• Powder Form

The powder form of unsaturated polyester resin is leading the market because of its superior handling, reduced VOC emissions and enhanced storage stability.

Regional Analysis:

• North America
• United States
• Canada
• Asia Pacific
• China
• Japan
• India
• South Korea
• Australia
• Indonesia
• Others
• Europe
• Germany
• France
• United Kingdom
• Italy
• Spain
• Russia
• Others
• Latin America
• Brazil
• Mexico
• Others
• Middle East and Africa

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Competitive Landscape:

The competitive landscape of the market has been studied in the report with the detailed profiles of the key players operating in the market.

• AOC LLC
• Ashland LLC
• BASF SE
• CCP Composites Ltd
• E. I. Du Pont
• Allnex Resins Australia Pty Ltd
• Polynt Composites USA Inc.
• Reichhold Inc.
• Koninklijke DSM N.V.
• Scott Bader Company Ltd.
• Upc Technology Corporation

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