Kapton is a polyimide (PI)

Kapton, is a polyimide (PI) film developed by Dupont in the late 1960s that remains stable across a wide range of temperature, from -269 to +400 °C. In flexible circuit manufacturing industry, people always treat Kapton as polyimide. Polyimide is always used as the dielectric material in flexible copper clad laminate, coverlay and stiffener for FPC and rigid-flex PCB. Kapton, is a polyimide (PI), Kapton, is a polyimide (PI). Kapton, is a polyimide (PI), Kapton, is a polyimide (PI). Kapton, is a polyimide (PI), Kapton, is a polyimide (PI).