Polypropylene ipolymer isina chepfu, haina hwema, uye haina kunaka semukaka ine crystalline polymer ine poindi yekunyunguduka ye164 ~ 170° C, density ye 0.90-0.91g/ cm%, uye huremu hwemamorekuru hunosvika 80,000 kusvika 150,000. Ndiyo imwe yemhando dzepurasitiki dzakareruka pari zvino. Yakasimba zvakanyanya kunyorova mumvura, uye mwero wayo wekunwa mvura mumvura kwemaawa makumi maviri nemana ndeye 0.01%6 chete.