The Global Chloro Isobutylene Isoprene Rubber (CIIR) Market was valued at USD 1.8 Billion in 2024 and is projected to reach USD 2.5 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 5.2% during the forecast period (2024–2030). This robust growth trajectory is fueled by escalating demand from the automotive sector for high-performance tire inner liners, expanding infrastructure projects requiring durable sealing solutions, and the versatility of CIIR in medical and industrial applications due to its exceptional air retention and weather resistance properties.

As industries worldwide increasingly prioritize materials that offer superior durability and reliability, the focus sharpens on the specialty chemical companies at the forefront of CIIR production and innovation. In this blog, we profile the Top 10 Companies in the Chloro Isobutylene Isoprene Rubber (CIIR) Industry—a group of chemical giants and specialized manufacturers defining the standards for butyl rubber derivatives.

Download FREE Sample Report:
Chloro Isobutylene Isoprene Rubber (CIIR) Market – View in Detailed Research Report

---

🔟 1. ARLANXEO

Headquarters: Geleen, Netherlands
Key Offering: Chlorobutyl rubber (CIIR), Bromobutyl rubber (BIIR)

ARLANXEO, a joint venture between Saudi Aramco and LANXESS, is a world-leading synthetic rubber producer. The company’s portfolio includes a comprehensive range of butyl and halobutyl rubbers under the BAYER BUTYL and X_BUTYL® brands, serving the tire, pharmaceutical, and construction sectors with high-quality CIIR known for its low gas permeability and heat resistance.

Innovation & Market Strategy:

• Pioneering halogenation technology for enhanced polymer properties

• Strategic focus on sustainability, offering polymers that enable lighter, more fuel-efficient tires

• Global production footprint with major facilities in Europe, Asia, and North America

Download FREE Sample Report:
Chloro Isobutylene Isoprene Rubber (CIIR) Market – View in Detailed Research Report

---

9️⃣ 2. ExxonMobil Chemical

Headquarters: Houston, Texas, USA
Key Offering: EXXPRO™ specialty elastomers, Chlorobutyl Rubber

ExxonMobil Chemical is a major global player in the CIIR market, leveraging its integrated petrochemical operations. Its EXXPRO™ line of specialty elastomers, which includes chlorinated isobutylene-isoprene copolymers, is critical for demanding applications such as pharmaceutical stoppers and tire inner liners, prized for exceptional purity and barrier properties.

Innovation & Market Strategy:

• Leader in high-purity CIIR grades for medical and food contact applications

• Continuous investment in R&D for next-generation halogenated butyl rubbers

---

8️⃣ 3. Versalis (Eni)

Headquarters: San Donato Milanese, Italy
Key Offering: EUROPRENE® Butyl, Chlorobutyl Rubber

Versalis, the chemical subsidiary of energy major Eni, is a significant European producer of elastomers, including CIIR. Its EUROPRENE® portfolio is well-regarded in the market, supplying the European automotive and industrial sectors with high-performance butyl derivatives.

Innovation & Market Strategy:

• Focus on developing sustainable rubber solutions, including bio-based feedstocks research

• Strong technical service and customer support network across Europe and emerging markets

---

7️⃣ 4. Japan Butyl Company (JBC)

Headquarters: Tokyo, Japan
Key Offering: Butyl Rubber, Chlorobutyl Rubber (CIIR)

Japan Butyl Company, a joint venture between ENEOS and JSR, is a key supplier in the Asia-Pacific region. The company operates advanced production facilities and has a strong reputation for quality and consistency, catering to the high standards of the Japanese automotive and electronics industries.

Innovation & Market Strategy:

• Specialization in high-consistency CIIR grades for precision manufacturing

• Expansion of production capacity to meet growing regional demand

---

6️⃣ 5. Sinopec Beijing Yanhua Petrochemical Co., Ltd.

Headquarters: Beijing, China
Key Offering: CIIR, Regular Butyl Rubber

As a subsidiary of the state-owned Sinopec Group, this company is one of China’s leading producers of butyl rubber. It plays a crucial role in supplying the domestic market, which is the world’s largest automotive producer, and is actively expanding its technological capabilities in halogenated butyl rubber production.

Innovation & Market Strategy:

• Strategic focus on import substitution and strengthening China’s self-sufficiency in specialty chemicals

• Investment in new production lines to increase CIIR output and quality

Download FREE Sample Report:
Chloro Isobutylene Isoprene Rubber (CIIR) Market – View in Detailed Research Report

---

5️⃣ 6. Reliance Sibur Elastomers Private Limited (RSE)

Headquarters: Mumbai, India
Key Offering: Butyl Rubber, Halobutyl Rubber (CIIR/BIIR)

This joint venture between Reliance Industries (India) and Sibur (Russia) is a major force in the Asian butyl rubber market. Operating one of the largest integrated facilities in India, RSE is strategically positioned to serve the rapidly growing South Asian market for tires and industrial rubber goods.

Innovation & Market Strategy:

• Leveraging Reliance’s feedstock integration and Sibur’s technological expertise

• Focus on cost-competitive production to serve price-sensitive markets

---

4️⃣ 7. Sibur International GmbH

Headquarters: Zug, Switzerland
Key Offering: Butyl Rubbers, Halobutyl Rubbers

Sibur is a leading petrochemical company with a strong focus on rubbers and plastics. Its butyl rubber division, supported by extensive feedstock access in Russia, produces both regular and halogenated grades, catering to a diverse global customer base.

Innovation & Market Strategy:

• Vertical integration from raw materials to finished polymers

• Expansion of its international sales network beyond traditional CIS markets

---

3️⃣ 8. Zhejiang Cenway New Material Application Co., Ltd.

Headquarters: Zhejiang, China
Key Offering: CIIR, Specialty Modified Elastomers

Cenway is a prominent Chinese manufacturer specializing in synthetic rubber and polymer applications. The company has developed a strong position in the domestic market by offering tailored CIIR compounds and technical support for specific end-use requirements.

Innovation & Market Strategy:

• Focus on application development and customized polymer solutions

• Growing export activity, particularly in Southeast Asia

---

2️⃣ 9. GRP Ltd.

Headquarters: Mumbai, India
Key Offering: CIIR Compounding, Rubber-to-Metal Bonding Agents

GRP Ltd. is a specialized manufacturer and compounder of rubber chemicals. While not a primary producer of CIIR polymer, the company is a critical player in the value chain, providing essential compounding ingredients, additives, and bonding systems that enhance the performance of CIIR in final products like tires and industrial hoses.

Innovation & Market Strategy:

• Specialization in value-added rubber chemicals and adhesion promoters

• Strong R&D in eco-friendly and high-performance additive systems

---

1️⃣ 10. Sundow Polymers Co., Ltd.

Headquarters: Sichuan, China
Key Offering: CIIR, BIIR, EPDM

Sundow Polymers is a growing Chinese synthetic rubber producer with a focus on halobutyl rubbers. The company has been investing in technology and capacity to capture a larger share of both the domestic Chinese market and international exports, particularly for tire applications.

Innovation & Market Strategy:

• Rapid capacity expansion to meet the needs of China’s tire industry

• Focus on improving product quality and consistency to compete with established global players

Get Full Report Here:
Chloro Isobutylene Isoprene Rubber (CIIR) Market – View in Detailed Research Report

---

🌍 Outlook: The Future of CIIR Is High-Performance and Sustainable

The Chloro Isobutylene Isoprene Rubber market is evolving from a commodity specialty elastomer to a high-value engineered material. While traditional applications like tire inner liners continue to dominate consumption, the industry is increasingly focused on developing advanced grades for new applications and incorporating sustainable practices into the manufacturing process.

📈 Key Trends Shaping the Market:

• Rising demand for fuel-efficient, longer-lasting tires boosting CIIR adoption in inner liners

• Expansion into high-growth medical and pharmaceutical applications requiring ultra-pure grades

• Increasing R&D into bio-based isoprene and recycling technologies for butyl rubbers

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

Get Full Report Here:
Chloro Isobutylene Isoprene Rubber (CIIR) Market – View in Detailed Research Report

The companies profiled above are not only supplying a critical industrial material—they are actively shaping a more efficient, durable, and innovative future for the global rubber products industry.