Loctite 324 Speedbonder structural adhesive is a high impact, toughened, two step acrylic, no mixing required, amber, multi-surface structural adhesive. Loctite 324 is solvent resistant and, when used in conjunction with Loctite Primer 7075, is ideal for large gap applications. Loctite 324 offers the strength of an epoxy and the speed of an instant, fixturing in 5 min. Gap filling, general purpose, no mixing required.