- Provides a faster cure when mixed in a two-component sealant system
- Adhesive mix is tack-free within 15 (+/-5) minutes
- Consistent curing can be achieved within 60 minutes
- To be used with 3M™ Polyurethane Adhesive Sealant 550 in 350mL Sausage Packs
- Provides excellent weather resistance
- Non-staining formula prevents discoloration
3M™ Polyurethane Adhesive Sealant Accelerator AC63 is a liquid additive that, when combined as a part of a two-component adhesive system, accelerates the curing of the adhesive. It is capable of drastically reducing the handling time of adhesives used in highly productive construction settings.