Bostik 940 Fast Set Adhesive/Sealant

Bostik 940 Fast Set Adhesive/Sealant Datasheet
  • Description for Bostik 940 Fast Set Adhesive/Sealant

    One component; fast setting hybrid polymer; UV resistant; superior adhesion to porous and non-porous surfaces.

    *See Terms of Use Below

    Application Type Bond, Seal
    1 Part or 2 Part 1 Part
    Material Form Paste
    Substrate Copper, Nonporous, Porous, Fiberglass, Glass, Brass, Zinc, Polyester(GRP), PVC, EPDM rubber, Galvanized steel, Stainless Steel, painted or lacquered wood., FRP, Aluminum, Galvanized steel
    Industry Marine
    Manufacturer Bostik
    Chemistry Hybrid polymer, SMP (Silyl Modified Polymer)
    Cure Method Moisture
    Cure Temperature (°C) 25
    Cure Time (min) 1,440
    High Temperature Resistance (°C) 100, Outstanding
    Low Temperature Resistance (°C) Outstanding, -40
  • Technical Data for Bostik 940 Fast Set Adhesive/Sealant

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Paste
    • Substrate
    • Industry
    • Chemistry
      • Other - Hybrid polymer
      • Silyl Modified Polymer (SMP) / MS Polymer - SMP (Silyl Modified Polymer)
    • Application Method
      • Dispenser - Gun
    • Cure Method
      • Moisture / Condensation Cure - Moisture
    Specifications
    Cure Specs
    Application Temperature (°F) 40 to 95
    Cure Temperature (°C) 25 Test Method
    Cure Time (min) 1,440 Test Method
    Set Time (min) Fast
    Tack Free Time (min) Fast, 10 Test Method
    Work / Pot Time (min) 15 Test Method
    Bond Strength
    General Bond Strength (psi) Superior
    Green Strength (psi) Excellent, 2.3 (lbs. - force/ft2) Test Method
    Tensile Strength (psi) 400, 450, 375 Test Method
    Material Resistance
    UV Resistance Excellent
    Environmental Resistance Excellent
    High Temperature Resistance (°C) 100, Outstanding
    Low Temperature Resistance (°C) Outstanding, -40
    Hardness
    Shore A Hardness 55 Test Method
    Elongation (%) 225 Test Method
    Flexibility Flexible, Permanent elastic
    Other Properties
    Specific Gravity 1.4 (g/ml) Test Method
    Business Information
    Shelf Life Details When stored between 40°F to 80°F (5°C to 27°C), Bostik® Marine 940 FS has a shelf life of 18 months (cartridges) and 12 months (sausages). Expiration date determined from the lot number printed on each cartridge or sausage., When stored between 40°F to 80°F (5°C to 27°C), Bostik® Marine 940 FS has a shelf life of 18 months (cartridges) and 12 months (sausages). Expiration date determined from the lot number printed on each cartridge or sausage.
    Shelf Life Temperature (°F) 41 to 81, 41 to 81
    Shelf Life (mon) 18 Cartridges, 12 Sausages
  • Best Practices for Bostik 940 Fast Set Adhesive/Sealant

    *See Terms of Use Below

    1. Clean-Up

      Use Bostik® Hand & Tool Towels to clean excess sealant from all surfaces and tools while still uncured. Remove cured sealant carefully from surfaces using appropriate mechanical methods.

  • Comparable Materials for Bostik 940 Fast Set Adhesive/Sealant

    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
25°C Uncured, @77°F/50%RH/0.125"
Cure Time Test Methods
Cure Time Test Method
1,440 min Uncured, @77°F/50%RH/0.125"
Tack Free Time Test Methods
Tack Free Time Test Method
Fast
10 min Uncured
Work / Pot Time Test Methods
Work / Pot Time Test Method
15 min Uncured
Tensile Strength Test Methods
Tensile Strength Type Cure Time Cure Temperature Cure Humidity Substrate Test Method
400 psi 20,160 min 25°C 50 % Aluminum-to-Aluminum @ 100%., after 14 days cure at 77°F and 50% RH, 0.08", speed—2-in./min.
450 psi 20,160 min 25°C 50 % Aluminum-to-Aluminum @ Break, after 14 days cure at 77°F and 50% RH, 0.08", speed—2-in./min.
375 psi Tensile Shear Strength. 20,160 min 25°C 50 % Aluminum-to-Aluminum 0.08", speed—2-in./min, AB481after 14 days cure at 77°F and 50% RH
Green Strength Test Methods
Green Strength Test Method
Excellent
2.3 (lbs. - force/ft2) Uncured
Elongation Test Methods
Elongation Test Method
225 % after 14 days cure at 77°F and 50% RH
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method Hardness Temperature
55 after 14 days cure at 77°F and 50% RH 25°C
Specific Gravity Test Methods
Specific Gravity Temperature Test Method
1.4 (g/ml) 25°C after 14 days cure at 77°F and 50% RH