3M(TM) Scotch-Weld(TM) Epoxy Adhesive 2216 is a flexible, two-part epoxy adhesive. 2:3 mix ratio, 90 minute work life and handling strength in approximately 10 hours. This product is the Accelerator (A) part for a B/A system. 3M(TM) Scotch-Weld(TM) Epoxy Adhesive 2216 cures at room temperature and provides high strength bonds with exceptional performance in shear and peel. It can be used to bond rubber, metal, wood, most plastics and masory products. good environmental resistance.