Description
- Formulated specifically for collision absorption in OEM-specified structural bonding applications
- Two-part epoxy bonds steel and automotive aluminum alloys, great for lightweight structures
- Can be weld-bonded or rivet-bonded immediately after application
- Affords long work times (up to 1 hour) to help ensure precise bond with fit-up
- Can be rapidly cured with heat (approx. 30 minutes)
- Silver-colored adhesive turns purple as it cures, indicating when process has begun
- Excellent extreme temperature performance
- Corrosion inhibiting formula delivers lifetime corrosion protection
- OEM Recommended
3M™ Impact Resistant Structural Adhesive (IRSA) is formulated for true automotive OEM-specified structural bonding applications, excellent for collision absorption in steel structures and advanced lightweight aluminum alloys.
This two-part epoxy adhesive delivers extended worktimes – up to 1 hour – and can be rapidly heat-cured. The adhesive changes from silver to purple as the adhesive cures.
Engineered to withstand higher impact vs. traditional bonding adhesives, 3M™ Impact Resistant Structural Adhesive (IRSA) is excellent for OEM-specified automotive structural applications.
It adheres to properly prepared automotive substrates including mild steel, high-strength steel and aluminium; vital as OEMs strive to achieve high strength in increasingly lightweight structures.
This two-part epoxy adhesive is recommended for all weld-bonded and rivet-bonded joints when specified by an OEM.
It provides an extended work time – up to one hour – and cures rapidly with heat (30 minutes at 80° C).
Adhesive applies in a silver color and changes to purple as it cures, indicating when the curing process has begun. 3M™ IRSA is designed to absorb collision energy forces and delivers increased torsional rigidity for OEM-specified automotive structures.
It allows for spot-welding (form squeeze-type) in an uncured state, typically up to three hours after application.
Properly applied adhesive will seal joints completely, and perform when exposed to very hot and cold temperatures. 3M™ Impact Resistant Structural Adhesive is available in 200 ml cartridges.
|
Adhesive Type |
Two-Part Epoxy |
|
Brands |
3M™ |
|
Consistency |
Paste |
|
Container Size (Metric) |
200 ml |
|
Container Type |
Cartridge |
|
Cure Time |
24 hr |
|
Full Cure |
24 hr |
|
Handling Time |
5 min – 10 min |
|
Paint Time |
24 Hour |
|
Shelf Life in Months (from date of manufacture) |
12 |
|
Volume (metric) |
200 mL |
|
Work Time |
60 min |
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