Bostik 920 FS Urethane Datasheet Bostik 920 FS Urethane

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  • Description for Bostik 920 FS Urethane

    Outstanding weather resistance; strong flexible bonds.

    *See Terms of Use Below

    Application Type Bond, Seal
    1 Part or 2 Part 1-Part
    Material Form Paste
    Substrate Aluminum, FRP, Metal, Plastics, Woods
    Industry Marine, Sealing window, Sealing door
    Manufacturer Bostik
    Chemistry Urethane
    Cure Method Moisture
    Cure Temperature (°C) 25, 25
    Cure Time (min) Fast, 2,160 to 4,320, 20,160
    Ozone Resistance Excellent Ozone resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -40
    Durability Tough

  • Technical Data for Bostik 920 FS Urethane

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    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Paste
    • Substrate
    • Industry
      • Other Transportation - Hull seams
      • Marine
      • Industrial - Keel joints, Under moldings
      • Construction - Deck
      • Construction Window - Sealing window
      • Construction Door - Sealing door
    • Chemistry
    • Application Method
      • Dispenser - Gun
    • Cure Method
      • Moisture / Condensation Cure - Moisture
    Specifications
    Cure Specs
    Cure Temperature (°C) 25, 25 Test Method
    Cure Time (min) Fast, 2,160 to 4,320, 20,160 Test Method
    Set Time (min) Fast
    Tack Free Time (min) 90
    Work / Pot Time (min) 70
    Bond Strength
    Peel Strength (piw) >25 Test Method
    Tensile Strength (psi) 267 Test Method
    Material Resistance
    Ozone Resistance Excellent Ozone resistance
    UV Resistance Good
    Environmental Resistance Outstanding weather resistance
    High Temperature Resistance (°C) 82
    Low Temperature Resistance (°C) -40
    Hardness
    Durability Tough
    Shore A Hardness 37 Test Method
    Elongation (%) 850 Test Method
    Flexibility Permanent elastomeric, Strong Flexible
    Modulus (psi) 65 Test Method
    Business Information
    Shelf Life Details When stored at or below 80°F (27°C), Bostik Marine 920 FS polyurethane sealant has a shelf life of nine months from date of manufacture.
    Shelf Life Temperature (°F) <81
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 9

  • Best Practices for Bostik 920 FS Urethane

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    1. Clean-Up

      Use Bostik® Hand & Tool Towels to clean excess sealant from all surfaces and tools while still uncured. Cured sealant can be removed with a sharp blade. NOTE: Cured sealant is usually very difficult to remove without altering or damaging the surface to which the sealant was applied.

  • Comparable Materials for Bostik 920 FS Urethane

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
25°C 77°F AND 50% RH
25°C AFTER 14 DAYS CURE AT 77°F AND 50% RH
Cure Time Test Methods
Cure Time Test Method
Fast
2,160 to 4,320 min 77°F AND 50% RH
20,160 min AFTER 14 DAYS CURE AT 77°F AND 50% RH
Peel Strength Test Methods
Peel Strength Cure Time Cure Temperature Cure Humidity Test Method
>25 piw 20,160 min 25°C 50 % AFTER 14 DAYS CURE AT 77°F AND 50% RH
Tensile Strength Test Methods
Tensile Strength Cure Time Cure Temperature Cure Humidity Substrate Test Method
267 psi 20,160 min 25°C 50 % Aluminum to Aluminum AFTER 14 DAYS CURE AT 77°F AND 50% RH
Elongation Test Methods
Elongation Test Method
850 % After 14 days cure at 77°F and 50% RH
Modulus Test Methods
Modulus Test Method
65 psi @ 100% Elongation, After 14 days cure at 77°F and 50% RH
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method Hardness Temperature
37 After 14 days cure at 77°F and 50% RH 25°C