Nechinangwa chakajairika wiring yemukati yemagetsi nemidziyo yemagetsi, painoiswa kuoiri patembiricha isingadariki 60°C kana 80°C.Uniform insulation ukobvu hwewaya kuve nechokwadi chekubvisa uye kucheka zviri nyore.Inopikisa acids, alkalis, mafuta, mwando uye fungi.