IsoBond HBN 5234 IsoBond HBN 5234 is a two-component polyurethane adhesive with a 3 minute working time. It was designed for adhering to many plastics and aluminum. AdvantagesHigh strength and sandableNon-sag Product TypesAdhesive & Reactive Hot Melt ← IsoCast URS 7017 IsoCast URN 4005 →