and leading companies have greater room for future development.

hot melt adhesive is a kind of plastic adhesive. within a certain temperature range, the physical state of hot melt adhesive can change with temperature changes. through the principle of thermal reaction, hot melt adhesive can tightly bond with barrier resin and metal. as a polymer material, hot melt adhesive has the advantages of non-toxic, non-polluting, high bonding strength, fast speed, and easy packaging, transportation, and…