1-High temperature performance and thermal shock resistance 2-Formulated for bonding low surface energy plastics and coatings to dissimilar materials 3-High peel delivers long-term strength and durability Hot Melt Adhesive 3748 is a tough, flexible hot melt adhesive with exceptional low temperature thermal shock properties that is able to provide optimal adhesion in fluctuating temperatures. As a 100% solids thermoplastic resin, this hot melt adhesive offers excellent durability for a wide variety of applications.