3M™ Scotch-Weld™ Epoxy Adhesive EC-3333 B/A is a tough, two-part, room-temperature curing epoxy adhesive that provides high shear and peel strength, making this an ideal adhesive for the most demanding aerospace applications. It maintains bond strength at low and elevated temperatures and stands up to challenging environments, including hot wet conditions.3M Scotch-Weld Epoxy Adhesive EC-3333 B/A is excellent for bonding a variety of substrates like metals and many plastics. It can be dispensed in duo-pack cartridges for use with the 3M EPX Applicator System for minimal waste and professional results. The mix ratio is 2:1 and the adhesive provides a 20-minute work life to allow time to adjust fit prior to setting. The adhesive is fully cured in 5 days (at 72 F /22 C) but can be accelerated with heat. This high-performance epoxy adhesive can be used to replace mechanical fasteners, screws, rivets and spot welds.