1.BOPS FILM ( Polystyrene for electrical capacitor) 2.Thickness: 0.015um-0.05 um ... can be customize Polystyrenne plastic film, made from 100% new polystyrene particle raw material, has good insulation electrical properties, high transparency ... , parts of instrument5.Housings, lamps, decorations6.Airplanes, automobile fittings7.Covers. Polystyrene film for capacitor ( 10 micron to 50 micron )