Hot melt adhesive film is to stick with the hot melt adhesive properties of polymers by high-precision die coating made with a bonding adhesive material film function. Hot melt adhesive film is easy to transport and storage at room temperature under non-sticky, the product is similar to double-sided tape, attached to the bottom of the general release paper (film). Usually need a two-tier film adhesive layer placed between the articles, by heating 5-8 seconds, and to impose appropriate pressure until cooling, two layers were firmly bonded materials.