Polypropylene, mtundu wa polima wopanda poizoni, wopanda fungo, wopanda kukoma opalescent wokhala ndi crystallization yayikulu, malo osungunuka pakati pa 164-170 ℃, kachulukidwe pakati pa 0.90-0.91g/cm3, kulemera kwa maselo ndi pafupifupi 80,000-150,000. PP ndi imodzi mwa pulasitiki yopepuka kwambiri pamitundu yonse pakadali pano, makamaka yokhazikika m'madzi, yokhala ndi mayamwidwe amadzi m'madzi kwa maola 24 ndi 0.01% yokha.