3M\u2122 Hot Melt Adhesive 3792 is a clear, multipurpose adhesive for effectively bonding wood, lightweight metals and some plastics in furniture, upholstery and woodworking applications. - 3M hot melt adhesives are thermoplastic adhesives with low to medium viscosity and long open times. They bond to wide variety of substrates such as wood, plain and coated corrugated, sand cores, foams, many plastics and other lightweight materials.