The Global Chlorosulfonated Polyethylene Rubber (CSM) Market was valued at USD 682.4 Million in 2024 and is projected to reach USD 1.12 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 6.3% during the forecast period (2024–2032). This robust growth is being driven by expanding infrastructure development, rising automotive production, and the critical demand for high-performance, durable materials in demanding industrial applications.

As industries worldwide push for materials that can withstand extreme conditions, harsh chemicals, and prolonged outdoor exposure, the role of specialty elastomers like CSM has never been more vital. In this blog, we profile the Top 10 Companies in the Chlorosulfonated Polyethylene Rubber Industry—a combination of global chemical giants, specialized polymer innovators, and strategic market leaders shaping the future of durable materials.

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🔟 10. PolyOne Corporation (Now Avient Corporation)

Headquarters: Avon Lake, Ohio, USA
Key Offering: Specialty CSM formulations, color and additive masterbatches for CSM

PolyOne, now part of Avient Corporation, is a premier provider of specialized and sustainable materials solutions. While not a primary CSM producer, the company is a key downstream leader, offering high-value compounded CSM grades, including pre-colored and custom-formulated materials. This allows manufacturers to reduce processing steps and achieve consistent performance in final products like industrial hoses and roof membranes.

Innovation & Sustainability Initiatives:

• Development of custom CSM compounds with enhanced properties like UV stability and flame retardancy

• Strategic focus on sustainability, offering solutions that support recyclability and reduce environmental impact in CSM applications

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Global Chlorosulfonated Polyethylene Rubber Market – View in Detailed Research Report

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9️⃣ 9. Goodyear Tire & Rubber Company

Headquarters: Akron, Ohio, USA
Key Offering: CSM for automotive and industrial applications, proprietary rubber formulations

The Goodyear Tire & Rubber Company leverages its vast expertise in polymer science to produce and utilize CSM in high-performance applications. Known primarily for tires, Goodyear’s material science division supplies CSM for non-tire applications, including conveyor belts, industrial hoses, and vibration damping components, benefiting from its deep understanding of durability under stress.

Innovation & Sustainability Initiatives:

• R&D focused on extending the service life of CSM-based industrial products

• Integration of CSM into products requiring high ozone and chemical resistance

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8️⃣ 8. Saint-Gobain Performance Plastics Corporation

Headquarters: Courbevoie, France
Key Offering: High-performance CSM sheets, films, and fabricated components

A division of the global industrial conglomerate Saint-Gobain, this company specializes in advanced polymer solutions. It offers engineered CSM products in various forms, such as sheets and calendered films, which are critical for tank linings, geomembranes, and protective covers in aggressive chemical environments.

Innovation & Sustainability Initiatives:

• Production of seamless, large-scale CSM liners for environmental containment

• Focus on material solutions that contribute to sustainable infrastructure and pollution prevention

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7️⃣ 7. Solvay Specialty Polymers USA LLC

Headquarters: Brussels, Belgium (Operations in the USA)
Key Offering: Specialty synthetic rubbers, advanced polymer compounds including CSM grades

Solvay is a global leader in advanced materials and specialty chemicals. Its polymers portfolio includes high-performance elastomers for demanding sectors. Solvay’s expertise allows it to offer tailored CSM solutions with specific attributes for aerospace, automotive, and oil & gas applications, where material failure is not an option.

Innovation & Sustainability Initiatives:

• Investment in R&D for high-heat and chemically resistant polymer blends

• Commitment to developing circular economy solutions for specialty polymers

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6️⃣ 6. AGC Chemicals Americas Inc.

Headquarters: Exton, Pennsylvania, USA (Parent in Tokyo, Japan)
Key Offering: CSM under trade names, fluoropolymer and chloropolymer specialties

AGC Chemicals, a subsidiary of Asahi Glass Co., is a significant player in the chlorinated polymer space. The company produces CSM rubber, leveraging its chemical manufacturing expertise to serve global markets. AGC focuses on providing consistent quality materials, particularly for wire and cable insulation, roofing, and industrial hose sectors in North America and beyond.

Innovation & Sustainability Initiatives:

• Providing material solutions that enhance the longevity and safety of electrical and construction systems

• Research into improving the weatherability and fire-resistant properties of CSM

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Global Chlorosulfonated Polyethylene Rubber Market – View in Detailed Research Report

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5️⃣ 5. Celanese Corporation

Headquarters: Irving, Texas, USA
Key Offering: Engineered materials, including specialty elastomers and polymer compounds

Celanese is a global chemical and specialty materials company with a strong presence in engineered polymers. While its portfolio is broad, the company’s technical capabilities position it as a key player in formulating and supplying advanced materials, including CSM-based compounds, for automotive, consumer, and industrial markets requiring superior durability.

Innovation & Sustainability Initiatives:

• Development of high-performance material solutions that enable lightweighting and longer product life

• Focus on acetic acid and derivative chains that feed into specialty polymer production

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4️⃣ 4. The Chemours Company

Headquarters: Wilmington, Delaware, USA
Key Offering: Specialty performance materials, including Viton® fluoroelastomers (complementary to CSM)

Chemours, spun off from DuPont, is a leader in titanium technologies and fluoroproducts. Although famous for Teflon™, its Advanced Performance Materials segment has deep expertise in high-endurance elastomers. The company’s focus on materials for extreme environments makes it a significant force in the high-performance elastomer sector, competing in applications where CSM is also specified, driving overall innovation and material standards.

Innovation & Sustainability Initiatives:

• $150 million investment announced in 2023 to upgrade and expand its Texas-based polymer production facilities

• Commitment to sustainable chemistry and reducing the environmental footprint of industrial materials

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3️⃣ 3. BASF SE

Headquarters: Ludwigshafen, Germany
Key Offering: Comprehensive portfolio of performance elastomers, including CSM formulations

As the world’s largest chemical producer, BASF has a formidable presence in the polymer market. Its Performance Materials segment offers a wide range of specialty elastomers, where CSM is a key product for applications demanding exceptional ozone, weather, and chemical resistance. BASF’s global production network and R&D power enable it to provide tailored CSM solutions across continents.

Innovation & Sustainability Initiatives:

• Continuous development of CSM grades for renewable energy applications like solar cable sheathing

• Strong focus on creating sustainable material cycles and reducing CO2 emissions in production

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2️⃣ 2. LANXESS AG

Headquarters: Cologne, Germany
Key Offering: High-performance rubber products, including dedicated CSM grades under the Levapren® and Krynac® brands

LANXESS is a global specialty chemicals company and a powerhouse in the synthetic rubber industry. Its portfolio is among the most comprehensive, with significant production capacity for CSM. The company’s products are essential for automotive hoses, conveyor belts, roof sheeting, and cable jacketing, supported by strong technical service and a global distribution footprint.

Innovation & Sustainability Initiatives:

• Leadership in developing halogen-free, flame-retardant alternatives and specialized CSM compounds

• Strategic investments in eco-friendly production processes and sustainable raw material sourcing

Download FREE Sample Report:
Global Chlorosulfonated Polyethylene Rubber Market – View in Detailed Research Report

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1️⃣ 1. Arkema Inc.

Headquarters: Colombes, France
Key Offering: Hypalon®, the leading global brand of Chlorosulfonated Polyethylene (CSM)

Arkema stands as the undisputed market leader in the CSM space, primarily through its iconic Hypalon® synthetic rubber. This material has set the industry standard for over 60 years in applications requiring supreme resistance to weathering, ozone, chemicals, and temperature extremes. Arkema’s deep technical expertise, continuous product innovation, and strategic global production assets cement its position at the top of the industry.

Innovation & Sustainability Initiatives:

• Ongoing R&D to enhance Hypalon® formulations for next-generation electric vehicle components and sustainable construction

• Significant 2023 capacity expansion at its French facility to meet growing global demand

• Commitment to the UN Sustainable Development Goals, focusing on eco-design and sustainable solutions for its material portfolio

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Global Chlorosulfonated Polyethylene Rubber Market – View in Detailed Research Report

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🌍 Outlook: The Future of CSM is Smarter and More Sustainable

The Chlorosulfonated Polyethylene Rubber market is undergoing a significant evolution. While its traditional strengths in heavy industry remain foundational, the future is being shaped by smarter formulations and a strong push towards sustainability.

📈 Key Trends Shaping the Market:

• Electrification and Automotive Evolution: Rising demand for CSM in EV battery component seals, coolant hoses, and protective sleeves due to its thermal and chemical stability.

• Infrastructure and Green Building: Increased use in waterproofing membranes for green roofs, reservoirs, and infrastructure projects as global construction focuses on durability and longevity.

• Renewable Energy Integration: Critical role in protecting cables and components in solar farms and offshore wind installations, where environmental resistance is paramount.

• Material Science Convergence: Development of CSM hybrids and nanocomposites to meet even higher performance benchmarks in niche industrial and potential biomedical applications.

The companies profiled above are not just supplying a specialty chemical—they are providing the material backbone for resilient infrastructure, clean transportation, and industrial progress. Their ongoing innovation will be crucial in enabling a more durable and sustainable industrial future.

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Global Chlorosulfonated Polyethylene Rubber Market – View in Detailed Research Report

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