ITW Plexus - Manufacturer of acrylic adhesives for structural bonding applications including thermoplastics, metals and composites. ITW Plexus® is a business unit of Illinois Tool Works, a Fortune 200 company, and a worldwide giant in fastening, joining, sealing, and coating technologies. The Plexus business unit makes and sells the patented new Plexus methacrylate adhesives for structural bonding of nearly all thermoplastics, metals, and composite materials. A key benefit of these adhesives is their ability to provide extremely durable bonds with little or no surface preparation. Plexus adhesives have a proven record of outstanding performance in the most demanding applications in the transportation, marine, and engineering construction industries.