... . Electric heat capacitor is mainly used in the medium-frequency induction heating electric system, for raising power factor and improving ... the GB/T3984.1-2004/IEC60110-11998 power capacitor for induction heating apparatus. PP film roughening dipped in high performance ... 3.6kV and frequency 50kHz and under, specifically used to improve the power factor of equipments for induction heating, melting, ...