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Description for Bostik 940 Fast Set Adhesive/Sealant
One component; fast setting hybrid polymer; UV resistant; superior adhesion to porous and non-porous surfaces.Application Type Bond, Seal 1 Part or 2 Part 1-Part Material Form Paste Substrate Aluminum, FRP, Copper, Glass, Polyester(GRP), PVC, painted or lacquered wood., Stainless Steel, Porous, Nonporous, Fiberglass, Brass, Zinc, Galvanized steel, EPDM rubber, Galvanized steel Industry Marine Manufacturer Bostik Chemistry Hybrid polymer, SMP (Silyl Modified Polymer) Cure Method Moisture Application Temperature (°F) 40 to 95 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
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1 Part or 2 Part
- 1-Part
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Material Form
- Paste
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Substrate
- Porous Substrates - Porous
- Non-Porous Substrates - Nonporous
- Fiberglass
- Glass
- Aluminum
- Copper
- Brass
- Zinc
- Galvanized - Galvanized steel
- Polyvinyl chloride (PVC) - PVC
- EPM/EPDM - EPDM rubber
- Wood - painted or lacquered wood.
- Composites - FRP
- Polyester - Polyester(GRP)
- Stainless Steel
- Galvanized Steel
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Industry
- Other Transportation - Hull fittings
- Marine
- Industrial - Portholes, Rub-rails
- Construction - Deck Hardware
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Chemistry
- Other - Hybrid polymer
- Silyl Modified Polymer (SMP) / MS Polymer - SMP (Silyl Modified Polymer)
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Application Method
- Dispenser - Gun
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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
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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.
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Comparable Materials for Bostik 940 Fast Set Adhesive/Sealant
Spec Engine® Results
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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 |
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15 min | Uncured |
Green Strength Test Methods
Green Strength | Test Method |
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Excellent | |
2.3 (lbs. - force/ft2) | Uncured |
Tensile Strength Test Methods
Tensile Strength | Type | Cure Time | Cure Temperature | Cure Humidity | Substrate | Test Method |
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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 |
Elongation Test Methods
Elongation | Test Method |
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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 |
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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 |

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