Polyimide Silicone/acrylic Adhesive Tape is made of polyimide film single or double coated with heat-resistant silicone or acrylic adhesive, with excellent properties of heat resistance, electrical insulation, solvent resistance and radiation protection, friendly to human-beings and environment. Ei650/640 offers better elongation at rupture, and is used for electrical insulation of electrical equipment and high temperature insulation, such as, motors, Li batteries etc. Ei650RL/640RL has release liner of paper or PET film material with release agents of paraffin, silicone or fluoride-Ion, used for die-cut of all kinds of high temperature press sensitive small film parts.