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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.
Fulfilled By ChemPoint
- Manufacturer: Bostik, Inc.
- Product Line: Bostik Transportation Adhesives
- Product: High Quality Adhesives and Sealants
- Industries: Maintenance, Repair, Overhaul | Transportation
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Documents
Overview
Bostik® STR220A is an all-purpose silyl modified polymer (SMP) adhesive designed for the high-performance bonding and sealing of joints and seams across several industries, including RV, trailer, and bus assemblies. Bostik® STR220A is a one-component, moisture-curing product free of solvents, isocyanates, and PVC, making it environmentally friendly and safe to use.
Bostik® STR220A is an elastomeric sealant that offers excellent flexibility between various substrates, such as coated and uncoated metals, PVC, wood, polyester, and glass. Bostik® STR220A is suitable for both outdoor and indoor applications, exhibiting excellent resistance to UV and aging. Bostik® STR220A has a skin-forming time of approximately 30 minutes and offers a temperature resistance of −40°F to 250°F (−40°C to 121°C).
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
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