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.
- Higher impact strength versus traditional bonding adhesives
- Recommended by many OEMs
- Provides corrosion protection with a lifetime warranty
- Room temperature curing (accelerated curing with heat)
- Dispenses silver, colour changes to purple to indicate proper mixing and curing process has begun
- Has excellent shelf life opened or unopened, reducing unused product replacement costs
