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.