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 (2025–2032). This growth is primarily driven by the surging demand for pressure-sensitive adhesives (PSAs), which account for nearly 79% of SIS applications, alongside expanding use in construction and automotive sectors.

As industries worldwide prioritize versatile and high-performance thermoplastic elastomers, the companies formulating and supplying SIS are becoming increasingly critical to global manufacturing chains. In this blog, we profile the Top 10 Companies in the Styrene Isoprene Styrene Industry—a blend of global chemical giants and specialized polymer producers shaping the future of adhesives, sealants, and modified plastics.

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🔟 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 styrenic block copolymers, including a comprehensive portfolio of SIS products. The company serves diverse industries such as packaging, hygiene, and construction with high-performance polymer solutions known for their superior tack and elasticity.

Innovation and Market Initiatives:

• Continuous R&D in bio-based and sustainable SIS alternatives

• Strategic expansion of production capacity in Asia-Pacific

• Focus on developing high-purity SIS grades for medical and hygiene applications

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

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9️⃣ 2. TSRC Corporation

Headquarters: Taipei, Taiwan
Key Offering: SIS Copolymers, Solution SBR, Specialty Elastomers

TSRC is a major global supplier of synthetic rubber, including high-quality SIS polymers. With a strong focus on the Asian market, TSRC leverages its integrated production from raw materials to finished polymers to maintain cost competitiveness and supply reliability.

Innovation and Market Initiatives:

• Investment in capacity expansion to meet growing PSA demand

• Development of low-odor and high-stability SIS grades

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8️⃣ 3. Sinopec

Headquarters: Beijing, China
Key Offering: SIS, SBS, Integrated Petrochemical Products

As one of China’s largest integrated energy and chemical companies, Sinopec is a dominant force in the Asian SIS market. Its massive production scale and extensive distribution network make it a key supplier for domestic and international customers.

Innovation and Market Initiatives:

• Significant investments in R&D for advanced polymer technologies

• Expansion of specialty chemical portfolios to capture higher-value markets

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7️⃣ 4. LCY Chemical Corp.

Headquarters: Taipei, Taiwan
Key Offering: SIS, Thermoplastic Elastomers, Performance Chemicals

LCY Chemical is a leading producer of synthetic rubbers and specialty chemicals, with a strong portfolio of SIS products tailored for adhesive and polymer modification applications. The company has a global presence with manufacturing facilities in Asia and the United States.

Innovation and Market Initiatives:

• Focus on producing environmentally friendly and recyclable SIS grades

• Strategic partnerships with downstream adhesive manufacturers

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

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6️⃣ 5. Zeon Corporation

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

Zeon Corporation is a Japanese chemical company renowned for its high-quality specialty elastomers, including advanced SIS polymers. The company excels in developing custom solutions for demanding applications in electronics, automotive, and healthcare.

Innovation and Market Initiatives:

• Pioneering research in high-performance and bio-based SIS

• Strong focus on quality control and product consistency

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5️⃣ 6. Versalis (Eni)

Headquarters: San Donato Milanese, Italy
Key Offering: SIS, Elastomers, Base Chemicals

Versalis, the chemical company of Eni, is a key player in the European SIS market. The company produces a range of elastomers and has been actively investing in circular economy projects and sustainable chemistry initiatives.

Innovation and Market Initiatives:

• Development of SIS from renewable raw materials

• Commitment to reducing the environmental footprint of polymer production

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4️⃣ 7. Ningbo Jinhai Chenguang Chemical Co., Ltd.

Headquarters: Ningbo, Zhejiang, China
Key Offering: SIS, Rubber Additives, Synthetic Resins

Ningbo Jinhai Chenguang is a significant Chinese manufacturer of synthetic rubber and resin products, including SIS. The company caters primarily to the domestic market, supplying the booming packaging and construction industries.

Innovation and Market Initiatives:

• Expansion of production capabilities to meet local demand

• Cost-competitive positioning in the Asian market

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3️⃣ 8. Guangdong Sunion Chemical Co., Ltd.

Headquarters: Guangzhou, Guangdong, China
Key Offering: SIS, SBS, Hot Melt Adhesive Raw Materials

Guangdong Sunion is a specialized chemical manufacturer focusing on raw materials for adhesives and sealants. The company is a growing presence in the regional SIS market, leveraging China’s robust industrial base.

Innovation and Market Initiatives:

• Focus on serving the fast-growing domestic adhesive industry

• Investment in application development and technical service

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2️⃣ 9. Zibo Luhua Hongjin New Material Co., Ltd.

Headquarters: Zibo, Shandong, China
Key Offering: SIS, Petroleum Resins, Rubber Antioxidants

Zibo Luhua is a Chinese chemical company engaged in the production of synthetic rubber and related materials. Its SIS products are used in various adhesive and rubber modification applications.

Innovation and Market Initiatives:

• Integrated production from upstream raw materials

• Strengthening supply chain for domestic consumers

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1️⃣ 10. Zhejiang Zhongli Synthetic Material Co., Ltd.

Headquarters: Shaoxing, Zhejiang, China
Key Offering: SIS, TPU, Other Synthetic Materials

Zhejiang Zhongli is a manufacturer of various synthetic materials, including SIS polymers for the adhesive and plastics industries. The company is part of China’s expanding chemical manufacturing sector.

Innovation and Market Initiatives:

• Diversification into high-value synthetic material segments

• Leveraging regional advantages for cost-effective production

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

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

The SIS market is undergoing a significant transformation. While traditional applications in adhesives continue to dominate, the industry is increasingly focused on sustainable alternatives, advanced material properties, and specialized formulations for high-growth sectors.

📈 Key Trends Shaping the Market:

• Accelerated R&D into bio-based SIS and circular economy models

• Growing demand for high-performance SIS in medical and electric vehicle applications

• Digitalization of supply chains and manufacturing processes for greater efficiency

• Strategic alliances between SIS producers and end-users for product co-development

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

The companies listed above are not only supplying essential polymers—they’re driving the innovation engine for countless downstream industries.