Capacitor Polypropylene Rough Film RPP/ RRPP Application range: Mainly for power, electrothermal and other relevant kinds of high voltage capacitors designed as foil-film or foil-film & paper with oil-impregnation. Thickness( micron) : 4uf, 5uf, 6uf, 7uf, 8uf, 9uf, 10uf, 12 uf