Polypropylene, wani nau'i ne na ba mai guba, wari, m opalescent polymer tare da high crystallization, da narkewa batu tsakanin 164-170 ℃, da yawa tsakanin 0.90-0.91g / cm3, Nauyin kwayoyin kusan 80,000-150,000. PP shine ɗayan mafi ƙarancin filastik na kowane nau'in a halin yanzu, musamman tsayayye a cikin ruwa, tare da ƙimar sha ruwa a cikin ruwa na awanni 24 shine kawai 0.01%.