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.
- Formulated specifically for collision absorption in OEM-specified structural bonding applications.
- Two-part epoxy bonds steel and automotive aluminium, great for lightweight structures.
- Can be weld-bonded or rivet-bonded immediately after application.