Mylar tape is made of polyester film coated with acrylic adhesive that is imported specially. It is high-temperature tape mainly for transformers, motors, capacitors and other types, insulating bandage of the electronic components, the high-voltage isolation between the switching power supply circuit board and its shell. Also used for soft bag in the lithium battery bandage, such as protecting the batteries between the board and bandage, then playing the role of fixation and fire insulation.