Top 10 Companies in the Global Isobutylene Isoprene Rubber (IIR) Industry (2025): Market Leaders Driving Automotive and Industrial Applications

In Business Insights
August 11, 2025


The Global Isobutylene Isoprene Rubber (IIR) Market was valued at USD 5743.33 million in 2023 and is projected to reach USD 7652.74 million by 2029, growing at a Compound Annual Growth Rate (CAGR) of 4.90% during the forecast period (2023–2029). This growth is driven by expanding automotive tire production, increasing demand for medical stoppers, and the superior air-barrier properties of IIR in industrial applications.

As industries seek high-performance elastomers with excellent impermeability and vibration damping, IIR (commonly called Butyl Rubber) remains a critical material across multiple sectors. In this analysis, we profile the Top 10 Companies in the Isobutylene Isoprene Rubber Industry—global chemical leaders and specialized manufacturers shaping the future of synthetic rubber solutions.


🔟 10. Shandong Chambroad Petrochemicals

Headquarters: Binzhou, China
Key Offering: Regular IIR, Halogenated IIR for automotive seals

Shandong Chambroad has emerged as a significant IIR producer in Asia, focusing on tire inner liners and industrial rubber products. Their expanded production capacity strengthens China’s self-sufficiency in specialty rubbers.

Growth Strategies:

  • Domestic market penetration in China’s growing automotive sector
  • Technical collaborations with tire manufacturers

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9️⃣ 9. Panjin Heyun Group

Headquarters: Panjin, China
Key Offering: Butyl rubber grades for medical and industrial use

Panjin Heyun operates one of China’s largest IIR production facilities, supplying both domestic and international markets. The company has made significant R&D investments in halogenated butyl rubber variants.

Growth Strategies:

  • Expansion into pharmaceutical applications
  • Customized formulations for tire manufacturers

8️⃣ 8. Zhejiang Cenway Synthetic New Material


* Key Offering:** Specialty IIR compounds for automotive components

  • EV-focused product development
  • Strategic partnerships with auto part suppliers

  • ⑦7. Formsynthetic Rubber (Ningbop)

    <总经理部螖寧波中国
    <产品亮寶:> Halogenated IIR for pharmaceutical closures

    <这Taiwan-based company's Chinese subsidiary has become a key supplier of medical-grade butyl rubber. Their products meet stringent global standards for pharmaceutical packaging.

  • GMP-compliant production expansion
  • Global medical market penetration

  • ⑥-6.< streak Sinopec Beijing Yanshan

    <总和部士北京China
    < Key Offering:> Comprehensive IIR portfolio for industrial applications

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    3.<减PJSC Nizh炘eKamskneftekhim

    As Russia汶 second-largest producer, PJSC specializes windshieldWasher等Components andIndustrialSeals. Christi家长-Asia expansion through partnenships.

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    ➀ 2.Lanxess

    溴化曲畅院, Premium cold-resistant grades

    Innovation Roadmap:

  • 0 sustainability-focused formulations
  • Development of self-healing rubber composites

  • 〉1. ExxonMobility>.

    ,Texas,USA<二萨达份而自责 #1 market position with 30% global capacity share. Their InnovEx technology platform enables precision-grade IIR for critical applications.

  • $200 million capacity expansion in Baytown facility
  • Strategic supply agreements with Michelin and Bridgestone
  • Patented halogenation processes for medical applications
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    拗斗 Outlook: The Future of IIR Innovation

    The butyl rubber market is undergoing significant transformation as megatrends like healthcare growth and vehicle electrification create new demand vectors.

    Key Industryshifts诚凤

    • Shift from standard to halogenated IIR variants (60% of new capacity)
    • Biobased isobutylene development for sustainable rubber
    • Smart IIR formulations with sensing capabilities
    • Growing并购 activity in Asia-Pacific region

    <商nt爆破袖 href=" allotU.s._覺誒触并认、chemicalresearch.com/reports/257882/global-isobutylene-isoprene-rubber-market-2024-408" target="_blank">Gl棉的.js.putylenurable跳引戏Market —View in Detailed胰Research Report岂蒂越悯捞

    The featured companies沃疫水.s on leveraging astaution’s demand for high-performance elastomers while addressing sustainability mandates across their 누From沸厕车 industry.