Bostik STR220A

Bostik® STR220A is an all-purpose sealant and bonding aid engineered for applications requiring corrosion protection, UV resistance, and durability through extended exposure to weathering. It has a skin-forming time of 30 minutes.

Quantity
425.372.1052
Documents

Specifications

Product type: Adhesive sealant, multipurpose
Basic material: Silyl modified polymer (SMP)
Temperature resistance: −40°F to 250°F (−40°C to 121°C)
Application temperature: 41°F to 95°F (5°C to 35°C)
Curing method: Moisture
Specific gravity: Approx 1.6 g/mL
Skin-forming time: Approx 30 min
Curing speed after 24 hrs: 2 mm
Shore A hardness: ca. 44
Tensile stress at break: 270 psi
Elongation at break: ca. 220%
Shear stress: 180 psi
Solvent percentage: 0%
Isocyanate percentage: 0%
UV and weather resistance: Excellent
Primary Chemistry: silyl modified polymer (SMP)

Manufacturer
Bostik, Inc.
Product Line
Bostik Transportation Adhesives
Product
High Quality Adhesives and Sealants
Industries
Maintenance, Repair, Overhaul Transportation
Authorized Countries
Canada United States
supplier logo

Specifications

Product type: Adhesive sealant, multipurpose
Basic material: Silyl modified polymer (SMP)
Temperature resistance: −40°F to 250°F (−40°C to 121°C)
Application temperature: 41°F to 95°F (5°C to 35°C)
Curing method: Moisture
Specific gravity: Approx 1.6 g/mL
Skin-forming time: Approx 30 min
Curing speed after 24 hrs: 2 mm
Shore A hardness: ca. 44
Tensile stress at break: 270 psi
Elongation at break: ca. 220%
Shear stress: 180 psi
Solvent percentage: 0%
Isocyanate percentage: 0%
UV and weather resistance: Excellent
Primary Chemistry: silyl modified polymer (SMP)

Features & Benefits

  • Silyl modified polymer based sealant
  • Neutral and odorless
  • Formulated free of solvents, isocyanates, and PVC
  • Durable bonding
  • Rapid curing
  • High strength
  • Primerless adhesion
  • For use on coated and uncoated metal, PVC, glass, polyester, and wood
  • Paintable
  • High green strength and tensile strength
  • Resistant to UV and aging
  • Compatible with most industrial paint and lacquer systems
  • Extrudable with handgun or air pressure gun

Problems Solved

Damage or failure of adhesive due to weather or UV exposure

Applications

Bostik® STR220A is an excellent bonding and sealing solution that can be successfully used during assembly across a wide range of applications and end industries, including but not limited to the following:

Transportation manufacturing (RV, bus, trailer, etc.)
Corrosion protection applications
All-purpose sealant applications

Bostik® STR220A can be used across most coated and uncoated substrates, including metal, glass, PVC, polyester, wood, polyolefin, and PTFE.

For application recommendations for your team, please reach out to your ChemPoint representative.

Related Applications
Maintenance, Repair, Overhaul Transportation
Related Chemistries
Maintenance, Repair, Overhaul Transportation
Related End Markets
Maintenance, Repair, Overhaul Transportation
Related Functions
Maintenance, Repair, Overhaul Transportation

Related Products

Marine Grade Adhesives and Sealants

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