Heat transfer film: structure of heat transfer film

Heat transfer film is generally composed of 3 ~ 5 layers. The three layer of heat transfer film is composed of substrate layer, printing layer and adhesive layer; the four layer heat transfer film is composed of a base layer, a release layer and a printing layer and adhesive layer; the five layer heat transfer film is composed of a base layer, a release layer, a printing layer, adhesive layer and hot melt adhesive powder layer.