Haikou Haojinghui Industrial Co., Ltd.  

Product Name: Corona Resistant Polyimide Film (CR) Model NO.: 6051 Brand: Hjh Color: Yellow Certification: UL, ISO9001 Classification: Inorganic Insulation Material Maximum Voltage: 20KV~100KV Thermal Rating: H 180 Material: Plastic Chemistry: Inorganic Insulation Type: Insulation Film Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical base, Shell, Motor Trademark: HJH Transport Package: Plastic Bag/Pallet Specification: MT Origin: China HS Code: 3920999090 Product Description 1.DEscriptION CR Polyimide Film can specially withstand the damaging effects of "corona", which can cause ionization and eventual breakdown of an insulation material or system when the voltage stress reaches a critical level. CR polyimide film not only preservesthe physical, mechanical and otherall propertiesof polyimide film, but also preserves the outstanding corona-resistant property. 2.FEATURESCorona-resistantexcellent electrical insulating , physical& chemical resistance3.APPLICATIonSWire insulation forwind power generator, variable frequency motor, traction motor, electrical rotating machine; high voltage transformer; magnetic wire wrap, super high-voltage motor etc.4. TECHNICAL PARAMETER ItemParameter Thickness (um) 25umThickness Tolerance (um)±3Density g/cm31.42Tensile Strength MpaMD>=135TD>=110Elongation %MD>=35TD>=40Dielectric Strength Mv/m>=200Surface Resistivity Ω>=1.0*1014Volume Resistivity Ω.cm≥1.0×1012Corona Resistant PerformancePulse frequency:20KHz:Pulse rate factor:50%;pulse Wave:square;Polar: bipolar;Vp-p: 2KV;pulse rise time (no-load);500ns;excess Current(alarm cut test): 50MA.>=300Dielectric Constant 48Hz~62Hz3.5±0.4