Polysulfide Resin (PSR)

Silvari Group offers polysulfide resin (PSR), a highly flexible and chemically resistant polymer known for its excellent sealing, adhesion, and durability properties.

As a synthetic elastomer with strong resistance to fuels, oils, and solvents, it is widely used in industrial, construction, and aerospace applications that demand durability under harsh conditions.

Polysulfide Resin (PSR)

Silvari Group offers polysulfide resin (PSR), a highly flexible and chemically resistant polymer known for its excellent sealing, adhesion, and durability properties.

As a synthetic elastomer with strong resistance to fuels, oils, and solvents, it is widely used in industrial, construction, and aerospace applications that demand durability under harsh conditions.

Key Features

  • Strong adhesion
  • Chemical and solvent resistance
  • Flexibility and elasticity
  • Resistant to weathering, UV exposure, and moisture

Available Forms & Grades

  • Liquid Polysulfide Resin – For sealants, coatings, and adhesives requiring flexibility and solvent resistance.
  • Modified Grades – Tailored for compatibility with epoxy or polyurethane systems to enhance mechanical or curing properties.
  • High-Viscosity Grades – Thick and paste-like consistency allows controlled curing behavior.
  • Custom Formulations – Available upon request, formulations can be adjusted for desired properties such as viscosity, curing, or adhesion for industrial and construction applications.

Applications

  • Construction – Used in joint sealants for concrete, highways, bridges, and tanks due to high flexibility and weather resistance.
  • Aerospace – Ideal for fuel tank sealants, windshields, and panel sealings where solvent and fuel resistance is essential.
  • Industrial Coatings & Adhesives – Used in protective coatings and chemical tanks linings applications.
  • Electronics & Electrical – Used as a moisture-resistant encapsulation for sealing electrical and electronic components.

Technical Identification

  • CAS Number: 68611-50-7 / 9003-04-7 (depending on formulation)
  • Regulatory Status:
    • Polysulfide resins offered by Silvari Group are developed and supplied in alignment with recognized international chemical safety principles.
    • Selected grades are designed to meet industry expectations for construction, aerospace, and industrial coating applications.

Silvari Group offers reliable access to polysulfide resins engineered for demanding environments where flexibility, chemical resistance, and long-term performance are critical. With technical expertise, documentation support, and global logistics coordination, Silvari Group supports dependable quality and supply for applications across industrial, construction, and aerospace sectors.