Sealants, Adhesives and Tapes Adhesive that is applied in the molten state and forms a bond on cooling to a solid state.
Thermoplastic adhesives which set by cooling, rather than by absorption or evaporation of water or a solvent.
An adhesive which is liquid when hot but solid at room temperature. Hot melt adhesives are extensively used in paperback bindings, but are generally inflexible and can become brittle and yellow. Pages become easily detached when this happens.