What is the characteristics and use of insulating paper?

Are generally ordinary polyimide glass fiber, rarely insulated paper insulation paper is the general term for electrical insulation paper. Used as cables, coils and other electrical equipment, insulation materials. Usually include a variety of capacitor paper, cable paper, telephone paper, impregnated insulating paper, roll heat resistant tape, powder mica paper and so on. In addition to have good insulation properties and mechanical strength, but also have their own characteristics. For example, the capacitor paper and bamboo film is made of refined sulphate slurry; the surface of the powder mica paper is made of metal flash, which is made by calcining the mica sheet.