Ubwino wazinthu:
PE serahsa zabwino koyambirira, pakati ndi mochedwa kondomu ntchito, poyerekeza ndi otsika polima sera, ali bwino rheological katundu ndi ubwino mtengo.athuphula la polyethyleneali ndi kuchepa kwamafuta ochepa, mafuta ochepa komanso kuuma kwakukulu.Sera ya PE imakhala yokhazikika bwino pakutenthetsa poyika zomatira zotentha zosungunuka.Choncho, si precipitate pa kutentha kwambiri, amene sadzakhala ndi zotsatira pa maonekedwe ndi katundu wa otentha Sungunulani zomatira.