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3M™ Scotch-Weld™ Epoxy Adhesive 7240FR, Part B/A, Black, 54 Liter, 1 Kit/Case
$7,877.96 / Kit
| SKU | 7100042123 |
|---|---|
| Legacy SKU | UU001566809 |
| Catalog Number | 7240B/A |
| Product Number | 7240FR |
3M Scotch-Weld Epoxy Adhesive 7240FR is a high-performance, non-sag, two-part toughened formula designed for reliable adhesion. Delivering both high shear and peel strength and outstanding levels of durability, this product excells in a wide range of industries, including general industrial, metalworking, transportation, and aerospace. In addition to these performance features, 3M Scotch-Weld Epoxy Adhesive 7240FR contains glass beads for accurate glue line control, making it an ideal choice for elevating y
- Utilizes a high-performance, two-part toughened epoxy
- Delivers both high shear and peel strength and outstanding levels of durability
- Non-sag formula helps ensure easy application to vertical surfaces
- Long open time for large area applications
- Flame retardant formulation
- Ideal for a variety of industries, including general industrial, metalworking, transportation, and aerospace
Product Dimensions |
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Shipping Dimensions |
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| Weight | 155.16575 lb |
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| Length | 39.17323 in |
| Width | 13.97638 in |
| Height | 15.55118 in |
PRODUCT FAQ
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What is the primary application for 3M™ Scotch-Weld™ Epoxy Adhesive 7240FR?
The 7240FR is designed for structural bonding applications where flame resistance is critical, making it ideal for aerospace, automotive, and industrial manufacturing where fire safety standards must be met.
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Does this product come ready to use, or does it require mixing?
This is a two-part epoxy system with Part A and Part B that must be mixed together in the correct ratio before application. Once mixed, it's ready to apply to your substrates.
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What types of materials can this adhesive bond?
The 7240FR bonds well to metals, composites, plastics, and other common industrial materials, making it versatile for a wide range of manufacturing and assembly needs.
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How long does the adhesive take to cure?
Cure time depends on temperature and environmental conditions, but typically you'll see handling strength in a few hours with full strength development within 24 hours at room temperature.
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What does the "FR" designation mean in the product name?
The "FR" stands for flame-resistant, which means this adhesive meets strict flammability requirements and is ideal for applications where fire safety is a regulatory or safety concern.
The 3M Scotch-Weld Epoxy Adhesive 7240FR is formulated to provide users with a straightforward application process that maximizes both ease of use and bond quality. The two-part adhesive system requires mixing the individual components according to a specific 2:1 volume ratio, after which the combined mixture can be applied to the substrates being joined using standard adhesive application techniques.
Working Time and Cure ScheduleThis epoxy formulation offers an extended working window of approximately 45 minutes, allowing users adequate time to position, adjust, and align bonded surfaces before the adhesive begins to set. This extended working time is particularly valuable in applications where precise alignment or repositioning may be necessary. The adhesive reaches handling strength—the point at which bonded components can be safely moved or handled without risk of joint failure—in approximately 6 hours under normal conditions.
Performance CharacteristicsUpon complete curing, the 3M Scotch-Weld Epoxy Adhesive 7240FR produces joints that demonstrate superior static load-bearing capacity compared to conventional non-epoxy adhesive formulations. This enhanced performance in sustaining dead loads makes it well-suited for structural bonding applications where long-term strength and durability under constant stress are critical requirements.
