Polyimide Silicone/acrylic Adhesive Tape is made of polyimide film 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. ST650/640 offers better elongation at rupture, and is used for electrical insulation of electrical equipment and high temperature insulation, such as, motors, Li batteries etc. ST650RL/ST640RL 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. Following table only lists the nominal sizes, if other sizes are required, please do not hesitate to contact us.