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
OEM Recommended
SKU: 3M7333
