Formerly known as Hysol EA 9309.3NA, Loctite 9309.3NA AERO is a two-part toughened epoxy adhesive paste. The material is well suited for bonding a wide variety of substrates including metal skins, honeycomb core, and aluminum. It offers excellent environmental resistance, bondline thickness control, high peel and shear strength. Loctite 9309.3 forms a permanent, flexible bond that is resistant to water, humidity, and most common fluids.