Top 10 Companies in the Styrene-Isoprene-Styrene Block Copolymer (SIS) Market (2025): Polymer Leaders Driving Material Innovation

In Business Insights
June 07, 2025

The Global Styrene-Isoprene-Styrene Block Copolymer (SIS) Market was valued at USD 1.45 Billion in 2023 and is projected to reach USD 2.17 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 5.9% during the forecast period (2023-2032). This expansion is driven by surging demand from adhesive applications, growing asphalt modification needs, and increasing utilization in consumer product manufacturing.

As industries require materials combining superior elasticity with processing versatility, SIS block copolymers have become essential components for adhesives, sealants, and performance-enhanced products. This analysis highlights the Top 10 Companies Dominating the SIS Sector—global chemical innovators and specialized producers advancing thermoplastic elastomer technologies.


🔟 1. Kraton Corporation

Headquarters: Houston, Texas, USA
Key Offering: Cariflex™ SIS, Kraton™ D SIS copolymer

Kraton leads the global SIS production landscape with patented polymer technologies. Their specialized SIS formulations deliver exceptional performance in adhesive, sealant, and coating applications, including medical-grade solutions.

Technology Leadership:

  • Advanced clean-room compatible medical SIS
  • Sustainable bio-based SIS development
  • High-flow formulations for film applications

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


9️⃣ 2. TSRC Corporation

Headquarters: Taipei, Taiwan
Key Offering: TSR-SIS series block copolymers

TSRC operates Asia’s most extensive SIS production network, supplying global adhesive manufacturers with specialized polymer solutions. Their technical expertise spans solution SBR and high-performance SIS products.

Technology Leadership:

  • Premium clarity formulations
  • Enhanced ultraviolet resistance technologies
  • Customized molecular configurations

8️⃣ 3. LCY Chemical Corp.

Headquarters: Kaohsiung, Taiwan
Key Offering: LC-SIS series block copolymers

LCY Chemical produces high-grade SIS polymers for demanding adhesive uses, maintaining strong market positioning throughout Asia-Pacific. Their manufacturing capabilities encompass both linear and radial SIS structures.

Technology Leadership:

  • Radial SIS for superior cohesion
  • Low-odor technologies
  • Polymer blend compatibility solutions

7️⃣ 4. Sinopec

Headquarters: Beijing, China
Key Offering: SINOPEC SIS, integrated styrenics

China’s largest petrochemical enterprise, Sinopec provides fully integrated SIS solutions from raw materials to finished polymers, serving domestic construction and packaging sectors.

Technology Leadership:

  • Closed-loop monomer supply
  • High-styrene content formulations
  • Large-scale production efficiency

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


6️⃣ 5. Zeon Corporation

Headquarters: Tokyo, Japan
Key Offering: Quintac® SIS polymers

Zeon specializes in ultra-pure SIS products for sensitive applications including medical adhesives and food-safe packaging, leveraging precision polymerization technologies.

Technology Leadership:

  • Medical device-compatible solutions
  • Pharmaceutical-grade tackifiers
  • Low-extractables formulations

5️⃣ 6. Versalis (Eni)

Headquarters: San Donato Milanese, Italy
Key Offering: Europrene® SIS products

As Europe’s principal SIS manufacturer, Versalis supplies adhesive producers across multiple industries, combining styrenics and elastomers expertise in their production processes.

Technology Leadership:

  • Energy-curable formulations
  • Material recyclability enhancements
  • Low VOC technologies

4️⃣ 7. Ningbo Jinhai Chenguang Chemical

Headquarters: Ningbo, China
Key Offering: JCG-SIS series block copolymers

This specialized Chinese manufacturer has significantly expanded SIS production capacity, focusing on cost-competitive solutions for Asian adhesive tape and label markets.

Technology Leadership:

  • Regional supply chain optimization
  • Accelerated crystallization technologies
  • Co-extrusion compatible formulas

3️⃣ 8. Guangdong Sunion Chemical

Headquarters: Guangdong, China
Key Offering: Sunprene™ SIS polymers

Sunion addresses China’s growing SIS demand for construction adhesives and waterproofing solutions through vertically integrated manufacturing operations.

Technology Leadership:

  • High-temperature resistant solutions
  • Asphalt modification technologies
  • Construction-grade adhesive formulations

2️⃣ 9. Zibo Luhua Hongjin New Material

Headquarters: Shandong, China
Key Offering: LH-SIS series products

Luhua Hongjin focuses on SIS for hot melt adhesive applications, developing specialized formulations for packaging and disposable product assembly.

Technology Leadership:

  • Rapid-setting hot melt technologies
  • Low-temperature application grades
  • Reactive SIS solutions

1️⃣ 10. Zhejiang Zhongli Polymer Material

Headquarters: Zhejiang, China
Key Offering: ZLP-SIS block copolymers

Zhongli specializes in SIS solutions for China’s expanding e-commerce packaging sector, creating customized adhesion solutions for diverse substrates.

Technology Leadership:

  • Removable adhesive technologies
  • Low-migration formulations
  • Paperboard bonding expertise

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


🧪 Market Outlook: Expanding Applications Fuel SIS Innovation

The SIS sector is experiencing transformative growth as material science breakthroughs enable new applications beyond traditional adhesives, from medical technology to advanced packaging solutions.

📌 Key Market Drivers:

  • Advancements in bio-based SIS development
  • Increasing performance requirements in medical adhesives
  • Growing demand for environmentally friendly formulations
  • Expanding infrastructure applications
  • Asia-Pacific market expansion

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

The featured companies represent the forefront of SIS technology, developing sophisticated materials that combine elasticity with precision performance across industrial applications.