... perfect substitute for 3M615 Specification1. Soft and amber-color thermal-plastic hot melt film.2. Good adhesion to many substrates ... pressing equipment, the thickness of bonding material, coefficient of thermal conductivity and pressure.About UsGuangzhou Smarthand Technology Co., Ltd ... Co., Ltd. We offer a range of products, including hot melt tape/film, special adhesive tape, glue, magnetic tape, ...