Top 10 Companies in the Polysulfide Sealant Industry (2026): Market Leaders Sealing the Future

In Business Insights
February 19, 2026


The Global Polysulfide Sealant Market was valued at USD 96 Million in 2023 and is projected to reach USD 130.7 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 4.6% during the forecast period (2024–2030). This growth is driven by robust demand from the construction, aerospace, and automotive sectors, coupled with increasing investments in infrastructure development and the adoption of high-performance sealing solutions.

As industries worldwide prioritize durability, chemical resistance, and long-term performance, the role of advanced sealants has become critical. Polysulfide sealants, known for their exceptional flexibility and resilience, are at the forefront of this movement. In this blog, we profile the Top 10 Companies in the Polysulfide Sealant Industry—a dynamic mix of chemical giants, specialty manufacturers, and innovators shaping the future of sealing technology.


🔟 1. Sika AG

Headquarters: Baar, Switzerland
Key Offering: Sikaflex® Pro polysulfide sealants, construction and industrial sealants

Sika is a global leader in specialty chemicals, with a formidable presence in the polysulfide sealant market. Their product portfolio includes high-performance sealants for construction joints, aerospace fuel tanks, and marine applications. Sika’s extensive R&D focus ensures continuous innovation in polymer technology.

Innovation and Sustainability Initiatives:

  • Development of low-VOC and sustainable sealant formulations

  • Strategic acquisitions to expand geographic and application reach

  • Commitment to carbon-neutral operations by 2050

Download FREE Sample Report:
Polysulfide Sealant Market – View in Detailed Research Report


9️⃣ 2. Henkel AG & Co. KGaA

Headquarters: Düsseldorf, Germany
Key Offering: Loctite® polysulfide sealants, aerospace and industrial adhesives

Henkel, through its renowned Loctite brand, is a key supplier of polysulfide sealants, particularly for the aerospace industry. Their products are specified for critical applications such as aircraft fuel tank sealing and structural bonding, meeting stringent international standards.

Innovation and Sustainability Initiatives:

  • Advanced formulations for extreme temperature and chemical resistance

  • Focus on lightweighting solutions for the automotive and aerospace sectors


8️⃣ 3. PPG Industries, Inc.

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: PRC-DeSoto® polysulfide sealants, aerospace coatings and sealants

PPG’s PRC-DeSoto line is a trusted name in aerospace sealing, providing polysulfide sealants that are certified for use in commercial and military aircraft. The company’s expertise in coatings complements its sealant offerings, providing comprehensive protection solutions.

Innovation and Sustainability Initiatives:

  • Investment in R&D for next-generation, environmentally compliant sealants

  • Collaboration with aircraft OEMs to develop custom sealing solutions


7️⃣ 4. 3M Company

Headquarters: Saint Paul, Minnesota, USA
Key Offering: 3M™ Marine Sealants, 3M™ Aerospace Sealants

3M offers a diverse range of polysulfide-based sealants for marine, construction, and aerospace markets. Their reputation for innovation and quality makes them a preferred partner for demanding sealing applications that require proven reliability.

Innovation and Sustainability Initiatives:

  • Development of fast-cure and easy-application sealant technologies

  • Sustainability goals focused on reducing environmental footprint across the product lifecycle

Download FREE Sample Report:
Polysulfide Sealant Market – View in Detailed Research Report


6️⃣ 5. H.B. Fuller Company

Headquarters: St. Paul, Minnesota, USA
Key Offering: Ful-Set® polysulfide sealants, construction adhesives and sealants

H.B. Fuller is a leading global adhesives provider with significant offerings in polysulfide sealants for the construction industry. Their products are designed for high-movement joint applications in buildings, bridges, and infrastructure projects.

Innovation and Sustainability Initiatives:

  • Emphasis on product performance and durability for long-lasting seals

  • Adhesive technologies that contribute to sustainable construction practices


5️⃣ 6. Mapei S.p.A.

Headquarters: Milan, Italy
Key Offering: Mapesil™ AC polysulfide sealants, flooring and construction products

Mapei is a major player in the building materials sector, offering a wide array of sealants, including polysulfide formulations. Their products are known for high quality and are used in demanding architectural and industrial applications worldwide.

Innovation and Sustainability Initiatives:

  • Investment in green chemistry for reduced environmental impact

  • Global network of production facilities ensuring local supply and support


4️⃣ 7. Bostik (An Arkema Company)

Headquarters: Colombes, France
Key Offering: Bostik polysulfide sealants, industrial and construction adhesives

Bostik, part of the Arkema group, provides innovative sealing solutions for various industries. Their polysulfide sealants are engineered for applications requiring excellent resistance to fuels, chemicals, and weathering.

Innovation and Sustainability Initiatives:

  • Development of bio-based and recycled content adhesives and sealants

  • Focus on solutions that enhance energy efficiency in buildings


3️⃣ 8. Pecora Corporation

Headquarters: Harleysville, Pennsylvania, USA
Key Offering: Pecora 888 polysulfide sealant, specialty sealants for construction

Pecora Corporation specializes in manufacturing high-performance sealants for the commercial construction industry. Their polysulfide sealants are widely used for sealing expansion joints, curtain walls, and other critical building envelope components.

Innovation and Sustainability Initiatives:

  • Long-standing expertise in elastomeric joint sealants

  • Commitment to meeting evolving building codes and performance standards


2️⃣ 9. Fosroc International Ltd.

Headquarters: Dubai, United Arab Emirates
Key Offering: Connolastic® polysulfide sealants, construction chemicals

Fosroc is a global manufacturer of construction chemicals, offering a comprehensive range of sealants, including polysulfide types. They serve infrastructure, construction, and mining sectors with technically advanced solutions.

Innovation and Sustainability Initiatives:

  • Tailored solutions for harsh and demanding environments

  • Global technical support and engineering services


1️⃣ 10. Wacker Chemie AG

Headquarters: Munich, Germany
Key Offering: SEMCO® polysulfide sealants, silicone and polymer-based products

Wacker Chemie is a leading chemical company with a strong portfolio that includes high-quality polysulfide sealants, particularly through its SEMCO brand acquired from Momentive. These products are critical in aerospace and specialty industrial applications.

Innovation and Sustainability Initiatives:

  • Pioneering work in silicone and hybrid polymer technologies

  • Strong focus on R&D for sustainable and high-performance material solutions

Get Full Report Here:
Polysulfide Sealant Market – View in Detailed Research Report


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

The polysulfide sealant market is evolving rapidly, driven by technological advancements and stringent performance requirements. While traditional applications remain strong, the industry is increasingly focused on developing smarter, more durable, and environmentally friendly formulations.

📈 Key Trends Shaping the Market:

  • Growing demand for high-performance sealants in renewable energy infrastructure (e.g., wind turbine blades)

  • Development of low-VOC and bio-based polysulfide formulations to meet regulatory demands

  • Increasing adoption in the electric vehicle (EV) battery assembly and component sealing

  • Advancements in application technologies for improved efficiency and waste reduction

Get Full Report Here:
Polysulfide Sealant Market – View in Detailed Research Report

The companies listed above are not just supplying sealants—they are engineering the integrity and longevity of the world’s critical infrastructure, vehicles, and aircraft.