The Global 5-Ethylidene-2-norbornene (ENB) Market was valued at USD 245.8 Million in 2024 and is projected to reach USD 334.1 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.2% during the forecast period (2024–2030). This growth is primarily driven by the escalating demand for high-performance Ethylene Propylene Diene Monomer (EPDM) rubber across the automotive, construction, and plastics modification industries, coupled with advancements in polymerization technologies.

As the global push for durable, weather-resistant, and specialized elastomers intensifies, the role of key diene comonomers like ENB becomes increasingly critical. In this blog, we profile the Top 10 Companies in the 5-Ethylidene-2-norbornene Industry—a select group of chemical giants and specialized producers shaping the supply chain and innovation landscape for this essential chemical intermediate.

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🔟 1. ExxonMobil Corporation

Headquarters: Irving, Texas, USA
Key Offering: High-Purity 5-Ethylidene-2-norbornene (ENB)

ExxonMobil is a dominant force in the global ENB market, leveraging its integrated petrochemical operations to produce high-purity ENB primarily for captive use in its Vistalon™ EPDM rubber production and for external sales. Its robust supply chain and large-scale production capabilities make it a cornerstone of the market.

Strategic Initiatives:

• Vertical integration with captive EPDM production

• Focus on process optimization and cost leadership

• Investment in R&D for new EPDM grades requiring specific ENB content

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5-Ethylidene-2-norbornene Market – View in Detailed Research Report

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9️⃣ 2. Jilin City Dayu Chemical Industrial Co., Ltd.

Headquarters: Jilin City, Jilin Province, China
Key Offering: ENB (98.5% and 99% Purity Grades)

Jilin City Dayu Chemical Industrial is a leading Chinese producer of 5-Ethylidene-2-norbornene, playing a crucial role in supplying the Asia-Pacific region’s growing EPDM and specialty chemical sectors. The company has established itself as a key alternative supplier in the global market.

Strategic Initiatives:

• Expansion of production capacity to meet regional demand

• Strategic positioning to serve the Chinese and Southeast Asian markets

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8️⃣ 3. JXTG Nippon Oil & Energy Corporation

Headquarters: Tokyo, Japan
Key Offering: High-Purity ENB for Elastomers

JXTG, now part of Eneos Holdings, is a significant producer of ENB with strong technological expertise in diene chemistry. The company supplies ENB to the global EPDM market and has a strong presence in the advanced materials sector in Japan and beyond.

Strategic Initiatives:

• Development of high-value applications for ENB-based polymers

• Focus on quality and consistency for demanding industrial applications

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7️⃣ 4. Ineos

Headquarters: London, United Kingdom
Key Offering: Specialty Chemicals including ENB intermediates

Ineos, through its extensive petrochemical portfolio, is involved in the production and supply chain of key intermediates like ENB. The company’s broad geographic footprint and manufacturing expertise make it an important player in the European and global markets.

Strategic Initiatives:

• Leveraging scale and integration in olefins and derivatives

• Exploring sustainable feedstock options for chemical production

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5-Ethylidene-2-norbornene Market – View in Detailed Research Report

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6️⃣ 5. Lanzhou Petrochemicals (CNPC)

Headquarters: Lanzhou, Gansu Province, China
Key Offering: ENB and other petrochemical derivatives

As a subsidiary of the China National Petroleum Corporation (CNPC), Lanzhou Petrochemicals is a major state-owned producer of a wide range of petrochemicals, including 5-Ethylidene-2-norbornene. It serves the substantial domestic demand for EPDM rubber in China’s automotive and construction sectors.

Strategic Initiatives:

• Supporting China’s self-sufficiency in key chemical intermediates

• Integration with domestic synthetic rubber production

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5️⃣ 6. Mitsui Chemicals, Inc.

Headquarters: Tokyo, Japan
Key Offering: High-performance chemical intermediates, including ENB

Mitsui Chemicals possesses advanced capabilities in the synthesis of complex chemical intermediates. While not the largest producer, the company’s focus on high-quality, specialty chemicals positions it as a key supplier for high-end EPDM and other advanced polymer applications.

Strategic Initiatives:

• R&D focused on next-generation elastomers with enhanced properties

• Strategic partnerships with downstream polymer manufacturers

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4️⃣ 7. SK Global Chemical

Headquarters: Seoul, South Korea
Key Offering: Petrochemical intermediates and high-value specialties

SK Global Chemical, part of the SK Group, is a leading petrochemical company in South Korea with a diversified product portfolio. Its involvement in the ENB market is linked to its advanced olefins operations and its strategic interest in the elastomers value chain.

Strategic Initiatives:

• Investment in circular economy and sustainable chemical production

• Expansion of high-value-added product lines

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3️⃣ 8. Zeon Corporation

Headquarters: Tokyo, Japan
Key Offering: Specialty Elastomers and High-Purity Chemicals

Zeon Corporation is a global specialist in elastomers and advanced materials. Although primarily known for its finished polymers like Zetpol® (HNBR) and its own EPDM, its deep understanding of diene chemistry and potential for merchant ENB supply make it a significant influencer in the market.

Strategic Initiatives:

• Pioneering development of specialty polymers requiring specific comonomers

• Focus on high-performance applications in automotive and electronics

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2️⃣ 9. Sumitomo Chemical Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Integrated portfolio of petrochemicals and advanced materials

Sumitomo Chemical is a diversified chemical company with a strong presence in basic chemicals and functional materials. Its capabilities in C5 and C9 chemistry provide a foundation for involvement in the norbornene derivatives market, including ENB.

Strategic Initiatives:

• Leveraging integrated operations from raw materials to specialties

• Commitment to developing environmentally friendly chemical processes

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1️⃣ 10. TPC Group

Headquarters: Houston, Texas, USA
Key Offering: C4 and C5 derivative products, including potential for ENB precursors

TPC Group is a leading producer of C4 (butadiene) and C5 chemical derivatives, which are essential feedstocks for producing Dicyclopentadiene (DCPD), the primary raw material for ENB. While primarily an upstream player, its control over key feedstock logistics is vital to the ENB supply chain in the Americas.

Strategic Initiatives:

• Strategic focus on niche C4/C5 derivatives

• Ensuring reliable supply of feedstocks to the intermediate chemical industry

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5-Ethylidene-2-norbornene Market – View in Detailed Research Report

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🌍 Outlook: The Future of ENB is Tied to Advanced Material Demands

The 5-Ethylidene-2-norbornene market is evolving in lockstep with the broader trends in high-performance polymers. While EPDM rubber remains the dominant application, innovation in resin modification and thermoplastic vulcanizates (TPVs) is opening new growth avenues. The market’s trajectory is heavily influenced by the automotive industry’s shift towards lighter, more durable components and the construction sector’s need for long-lasting, weather-proof materials.

📈 Key Trends Shaping the Market:

• Increasing demand for high-ENB grades of EPDM for superior peroxide curability and heat resistance

• Growth in automotive plastic components requiring impact modification via ENB-based modifiers

• Geographic shift in production and consumption towards Asia-Pacific, particularly China

• Focus on supply chain resilience and diversification of ENB sources beyond traditional producers

Get Full Report Here:
5-Ethylidene-2-norbornene Market – View in Detailed Research Report

The companies listed above are not only supplying a critical chemical building block—they are enabling the development of advanced materials that underpin modern infrastructure and technology.