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Bostik 920FS
Bostik® 920 FS is a one-component polyurethane adhesive sealant for marine applications with excellent resistance to weathering, UV, and saltwater exposure. It has a work life of 70 minutes.
Fulfilled By ChemPoint
- Manufacturer: Bostik, Inc.
- Product Line: Bostik Transportation Adhesives
- Product: Marine Grade Adhesives and Sealants
- Industries: Maintenance, Repair, Overhaul | Transportation
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Documents
Overview
Bostik® 920 FS is a premium-quality polyurethane adhesive and sealant engineered to provide advanced bonding capabilities for applications above and below the water line. Bostik® 920 FS is used in the marine industry to deliver resistance across challenging maritime conditions, bonding deck hardware, such as doors, windows, hulls, keel joints, and undermoldings, subject to extended weathering challenges and exposure.
Bostik® 920 FS provides excellent resistance to harsh environmental factors, such as UV rays, ozone, and fluctuating temperatures, which are commonplace in marine settings. Bostik® 920 FS is uniquely formulated with advanced performance benefits and exhibits wide substrate compatibility across all woods, metals, FRPs, and most plastics. Bostik® 920 FS achieves a tack-free surface in 90 minutes and reaches full cure at 77°F within 1.5 to 3 days.
Specifications
Product type: Adhesive sealant, marine
Basic material: Polyurethane
Curing method: Moisture
Tack-free time: 90 min
Tool/Work life: 70 min
Curing time @ 77°F: 1.5 to 3 days
Shore A hardness: 37
Tensile stress at break: 267 psi
Elongation at break: 850%
Joint movement capability: ±25%
Temperature resistance: −40°F to 180°F (−40°C to 82°C)
UV resistance: Good
Ozone resistance: Excellent
Primary Chemistry: Silyl Modified Polymer (SMP)
Features & Benefits
Gun-grade polyurethane adhesive
Moisture curing
Fast cure
Durable seal
High tear and abrasion resistance
Permanent elastomeric properties
Excellent adhesion to woods, metals, FRPs, and most plastics
UV and ozone resistance
High elongation
Use above and below the water line
Tenacious adhesion
Problems Solved
Damage or failure of adhesive due to UV, water, heat, or weather
Poor sealant compatibility with common marine substrates
Applications
Bostik® 920 FS is a versatile, gun-grade urethane sealant for the marine industry that can be used successfully across a wide range of end applications, including but not limited to the following:
Sealing deck hardware, such as windows, doors, hulls, and keel joints
Thru-hull seams and fittings
Rub rails
Portholes
Glass assembly
Marine components requiring a resilient seal
Bostik® 920 FS should not be used as a glazing sealant for glass exposed to sunlight with appreciable amounts of ultraviolet exposure.
Related Applications
Maintenance, Repair, Overhaul
Transportation
Related Chemistries
Maintenance, Repair, Overhaul
Transportation
Related End Markets
Maintenance, Repair, Overhaul
Transportation
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