PI original film, also known as polyimide film KAPTON 1. Color: golden yellow / black / transparent 2. At present, the more commonly used thicknesses are: 0.0125mm, 0.02mm, 0.025mm, 0.030mm, 0.045mm, 0.050mm, 0.075mm, 0.125mm, 0.15mm, 0.175mm, 0.2mm, 0.25mm and other specifications. 3. The width of the substrate is: 520mm, 660mm, 910mm, 1040mm, which can be slitted according to customer needs, the narrowest 10mm. 4. Used in aviation, aerospace, electrical/electronics, microelectronics, nano, liquid crystal, separation film, laser, locomotive, automobile, precision machinery and automatic office machinery and other fields.