3M(TM) Scotch-Weld(TM) Hot Melt Spray Adhesive 6111 HT Blue, .75 in x .75 in Chips, 22 lbs per case Heat applied, 100 percent solids, blue, high temperature, sprayable adhesive. It is a fast, neat alternative to aerosols, contact adhesives and solvent-based adhesives for bonding most foams and many other lightweight materials. It is a fast, neat alternative to aerosols, contact adhesives and solvent-based adhesives for bonding most foams and many other lightweight materials. It bonds a wide variety of substrates, including most foams, plastics, particle board, and light gauge metal.