Top 10 Companies in the Styrene Isoprene Styrene (SIS) Market (2026): Key Players Driving Global Polymer Demand

In Business Insights
January 29, 2026

The Global Styrene Isoprene Styrene (SIS) Market was valued at USD 1.58 Billion in 2024 and is projected to reach USD 2.34 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 6.2% during the forecast period (2024–2032). This robust growth is primarily driven by escalating demand for pressure-sensitive adhesives across packaging, construction, and healthcare sectors, alongside innovative applications in asphalt modification and advancements toward sustainable thermoplastic elastomers.

As industries worldwide seek versatile polymer solutions that offer an optimal balance of strength, flexibility, and processability, the focus intensifies on the leading chemical manufacturers who are pioneering SIS technology. In this analysis, we profile the Top 10 Companies in the Styrene Isoprene Styrene Industry—a group of global giants and specialized producers shaping the future of high-performance polymers.


🔟 1. Kraton Corporation

Headquarters: Houston, Texas, USA
Key Offering: SIS Polymers, SIS-based Adhesives, Custom Formulations

Kraton Corporation is a global leader in the production of specialty polymers and high-value performance products derived from renewable resources. The company’s SIS product line is renowned for its exceptional tack, cohesive strength, and elastic properties, making it a preferred choice for pressure-sensitive adhesives globally. Kraton’s extensive R&D capabilities focus on developing next-generation SIS polymers with enhanced thermal stability and sustainability profiles.

Innovation Initiatives:

  • Investment in bio-based raw material research for sustainable SIS production

  • Expansion of production capacity in Asia-Pacific to meet growing regional demand

  • Strategic partnerships with adhesive manufacturers for customized SIS solutions

Download FREE Sample Report: Styrene Isoprene Styrene (SIS) Market – View in Detailed Research Report


9️⃣ 2. TSRC Corporation

Headquarters: Taipei, Taiwan
Key Offering: SIS Copolymers, Solution-SBS, Custom Elastomers

TSRC Corporation is a major global supplier of synthetic rubber, including a comprehensive portfolio of SIS products. With a strong foothold in the Asia-Pacific region, which accounts for 50% of global SIS consumption, TSRC leverages its integrated production capabilities from raw materials to finished polymers. The company’s SIS grades are widely used in high-performance adhesive tapes, labels, and hygiene product applications.

Innovation Initiatives:

  • Development of high-purity SIS grades for medical and food-contact applications

  • Continuous process optimization to enhance product consistency and yield


8️⃣ 3. Sinopec

Headquarters: Beijing, China
Key Offering: SIS Polymers, Petrochemical Derivatives, Specialty Chemicals

China Petroleum & Chemical Corporation (Sinopec) is one of the largest integrated energy and chemical companies globally. Its SIS production benefits from extensive backward integration into styrene and isoprene monomers, providing significant cost advantages. Sinopec serves the massive domestic Chinese market while expanding its SIS exports to Southeast Asia and other emerging regions.

Innovation Initiatives:

  • Investment in large-scale SIS production facilities to capitalize on Asian market growth

  • Research into SIS applications for construction and infrastructure development


7️⃣ 4. LCY Chemical Corp.

Headquarters: Taipei, Taiwan
Key Offering: SIS, SBS, SEBS Thermoplastic Elastomers

LCY Chemical is a leading global producer of performance chemicals, with a strong portfolio of thermoplastic elastomers including high-quality SIS products. The company operates multiple production sites across Asia and has established a robust distribution network serving diverse industrial sectors. LCY’s technical expertise enables tailored SIS solutions for specific adhesive and polymer modification requirements.

Innovation Initiatives:

  • Expansion of SIS production capacity to meet growing global demand

  • Development of specialty SIS grades for niche applications in electronics and automotive

Download FREE Sample Report: Styrene Isoprene Styrene (SIS) Market – View in Detailed Research Report


6️⃣ 5. Zeon Corporation

Headquarters: Tokyo, Japan
Key Offering: Specialty SIS, High-Performance Elastomers, Fine Chemicals

Zeon Corporation is a Japanese chemical company renowned for its advanced elastomer technologies. The company produces high-purity SIS polymers characterized by excellent consistency and performance properties. Zeon focuses on high-value applications in medical devices, precision adhesives, and specialty coatings, leveraging its strong technical service capabilities.

Innovation Initiatives:

  • Development of ultra-clean SIS grades for sensitive medical and electronic applications

  • Research into SIS-based compounds with enhanced UV and thermal resistance


5️⃣ 6. Versalis (Eni)

Headquarters: Milan, Italy
Key Offering: SIS, Elastomers, Base Chemicals

Versalis, the chemical company of Eni, is a major player in the European SIS market. With strong roots in petrochemicals and refining, Versalis produces a range of elastomers including SIS for diverse industrial applications. The company has been actively investing in sustainable chemistry initiatives, including research into bio-based alternatives for conventional SIS production.

Innovation Initiatives:

  • Pilot projects for bio-isoprene and bio-styrene production for sustainable SIS

  • Development of SIS grades compliant with stringent European regulatory standards


4️⃣ 7. Ningbo Jinhai Chenguang Chemical Corporation

Headquarters: Ningbo, China
Key Offering: SIS Polymers, Rubber Chemicals, Synthetic Resins

Ningbo Jinhai Chenguang is a significant Chinese producer of synthetic rubber and specialty chemicals, including SIS copolymers. The company benefits from China’s robust manufacturing ecosystem and serves both domestic and international markets. Its competitive pricing and responsive customer service have enabled strong growth in price-sensitive market segments.

Innovation Initiatives:

  • Capacity expansions to capitalize on growing domestic SIS demand

  • Product development focused on cost-effective SIS solutions for emerging markets


3️⃣ 8. Kuraray Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: SIS, SEBS, Specialty Elastomers

Kuraray is a diversified chemical company with expertise in synthetic rubber, resins, and fibers. The company produces high-quality SIS polymers that find applications in adhesives, sealants, and polymer modification. Kuraray’s strong technical support and product development capabilities have established its position in demanding Japanese and international markets.

Innovation Initiatives:

  • Development of hydrogenated SIS (SEPS) for enhanced thermal and oxidative stability

  • Focus on high-performance SIS grades for automotive and electronics applications


2️⃣ 9. JSR Corporation

Headquarters: Tokyo, Japan
Key Offering: Elastomers, SIS, Synthetic Rubbers

JSR Corporation is a global materials company with a strong presence in synthetic rubber and specialty chemicals. The company’s SIS products are known for their consistent quality and performance in demanding adhesive applications. JSR leverages its advanced polymerization technology to produce SIS with precise molecular architectures for optimized performance properties.

Innovation Initiatives:

  • Research into novel SIS architectures for improved adhesive performance

  • Development of SIS grades for emerging applications in flexible electronics


1️⃣ 10. Tianjin Lugang Petroleum Rubber Co., Ltd.

Headquarters: Tianjin, China
Key Offering: SIS, SBS, Synthetic Rubber Products

Tianjin Lugang is a prominent Chinese manufacturer of synthetic rubber products, including SIS copolymers. The company serves the rapidly growing domestic market for adhesives, sealants, and asphalt modification. Its strategic location in one of China’s major industrial hubs provides logistical advantages for serving regional customers.

Innovation Initiatives:

  • Expansion of SIS production capacity to meet growing infrastructure and construction demand

  • Development of cost-competitive SIS solutions for price-sensitive applications

Get Full Report Here: Styrene Isoprene Styrene (SIS) Market – View in Detailed Research Report


🌍 Outlook: The Future of SIS is Sustainable and High-Performance

The SIS market is undergoing significant transformation as sustainability concerns and performance requirements drive innovation. While traditional SIS applications in adhesives continue to dominate, new opportunities are emerging in medical devices, sustainable packaging, and advanced materials.

📈 Key Trends Shaping the Market:

  • Rapid expansion of SIS capacity in Asia-Pacific to meet regional demand growth

  • Increasing focus on bio-based SIS alternatives and sustainable production processes

  • Development of high-performance SIS grades for demanding automotive and electronics applications

  • Growing adoption of SIS in asphalt modification for infrastructure development

Get Full Report Here: Styrene Isoprene Styrene (SIS) Market – View in Detailed Research Report

The companies profiled above are not only supplying essential polymer materials—they’re driving the innovation and sustainability transformation of multiple industries worldwide.