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 aluminium 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.
Formulated specifically for collision absorption in OEM-specified structural bonding applications
Two-part epoxy bonds steel and automotive aluminium 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-coloured adhesive turns purple as it cures, indicating when process has begun
Excellent extreme temperature performance
Corrosion inhibiting formula delivers lifetime corrosion protection
6.76 fl oz (US)
Shelf Life in Months (from date of manufacture)
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