Epoxy Diluents Market

The epoxy diluents market is projected to reach USD 1.86 billion by 2031 from USD 1.42 billion in 2026, at a CAGR of 5.5%. The growth in the epoxy diluents market is attributed to a greater demand for efficient coatings, adhesives, sealants, and composite materials in the building and construction, automotive, aerospace, and industrial manufacturing sectors. Increasing investments in infrastructure construction and increasing demand for protective coatings are encouraging the usage of epoxy formulations that provide better workability and application efficiency. The increasing demand for anti-corrosion coatings in the marine and energy generation sectors also favors the growth of the epoxy diluents market. The growing demand for lightweight composite materials in automotive and aerospace applications is also increasing the demand for epoxy systems. The developments in bio-based diluents and low-viscosity diluents are also leading to the development of formulations that have better processing properties and eco-friendliness.

The epoxy diluents market is dominated by key manufacturers, including Westlake Corporation (US), Huntsman (US), Evonik Industries AG (Germany), Olin Corporation (US), Aditya Birla Chemicals (India), Mitsubishi Chemical Corporation (Japan), KUKDO CHEMICAL CO., LTD. (South Korea), ITOCHU CHEMICAL FRONTIER Corporation (Japan), SACHEM Inc (US), PCC Group (Germany), EMS-CHEMIE HOLDING AG (Switzerland), KUMHO PETROCHEMICAL (South Korea), Atul Ltd (India), and Cardolite Corporation (US), among others. From January 2023 to July 2026, these players pursued product launches, deals, and expansions to expand their market share and global reach. In June 2025, the Aditya Birla Group, through its subsidiary Aditya Birla Chemicals (USA) Inc., acquired Cargill's 17-acre facility in Dalton, Georgia, for the manufacturing of specialty chemicals. The acquisition helped the company increase its footprint in the Advanced Materials segment. Reactive diluents, epoxy resins, formulated resins, curing agents, and polyaspartic resins for marine, industrial coatings, and flooring applications were produced at the plant.

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Westlake Corporation (US) is a global manufacturer and supplier of housing and infrastructure products, and it is a vertically integrated company in the business sector. Its products cover numerous industrial and consumer markets, including residential construction, flexible and rigid packaging, automotive, health care, water treatment, wind energy, coatings, as well as durable and non-durable goods. The company conducts its business through two main segments, namely Housing & Infrastructure Products (HIP) and Performance & Essential Materials (PEM). Under the PEM segment, Westlake offers epoxy diluents under the performance materials subsegment as part of its Westlake Epoxy business, which is marketed under the HELOXY name. Westlake Epoxy consists of Mono-functional HELOXY modifiers, Di-functional HELOXY modifiers, and Poly-functional HELOXY Modifiers. The company distributes epoxy diluents to Building & Construction, Automotive & Transportation, Industrial Manufacturing, Electrical & Electronics, Energy, Textile, and Paper industries. The main plant of the company is located in Germany, whereas it also has another facility in Deer Park, Texas, where it produces base epoxy resins and intermediates.

Huntsman (US) is a global producer of diversified organic chemical goods divided into three subdivisions: Polyurethanes, Performance Products, and Advanced Materials. The company provides its products to manufacturers of industrial goods in multiple sectors, including adhesives, aviation, car-making, coating, construction, electronics, and thermal insulation. The company has products in the epoxy resins market for products supplied in the framework of its Advanced Materials subdivision under the ARALDITE, ERISYS, and JEFFAMINE brands. Products of these brands can be used in manufacturing different products made with epoxy resin, including adhesives, coatings, composite materials, and electrical appliances. The firm has almost 60 production and research facilities situated in approximately 25 nations.

EPOXY DILUENTS MARKET: MARKET RANKING

The top 5 players in the epoxy diluents market have been identified based on revenue, market share, product offerings, production capacity, innovation, technological advancements, geographic presence, strategic partnerships, financial performance, and sustainability efforts. These key players continue to lead the market by maintaining a competitive edge and delivering high-performance epoxy diluents. Major players operating in the market include Westlake Corporation (US), Huntsman (US), Evonik Industries AG (Germany), Olin Corporation (US), Aditya Birla Chemicals (India), Mitsubishi Chemical Corporation (Japan), KUKDO CHEMICAL CO., LTD. (South Korea), ITOCHU CHEMICAL FRONTIER Corporation (Japan), SACHEM Inc (US), PCC Group (Germany), EMS-CHEMIE HOLDING AG (Switzerland), KUMHO PETROCHEMICAL (South Korea), Atul Ltd (India), and Cardolite Corporation (US). Westlake Corporation, Huntsman, Evonik Industries AG, Olin Corporation, and Aditya Birla Chemicals are the top 5 key players in the epoxy diluents market. Westlake Corporation leads through HELOXY modifiers, Huntsman through established epoxy brands, Evonik through specialty chemicals expertise, Olin through integrated epoxy manufacturing, and Aditya Birla Chemicals through its L apox portfolio, manufacturing capabilities, and established industrial customer base.

Related Reports:

Epoxy Diluents Market by Product Type (Diglycidyl Ether, C12-C14 Alkyl, Butyl Glycidyl Ether), Application (Protective Coatings, Adhesives & Sealants), End-use Industry (Building & Construction, Automotive, Electrical), Region - Global Forecast to 2031

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