I-PP uhlobo lwe-polymer engeyona enobuthi, engenaphunga, engenakunambitheka ne-crystallization ephezulu, indawo yokuncibilika phakathi kuka-164-170℃, ukuminyana phakathi kuka-0.90-0.91g/cm3, isisindo samangqamuzana singama-80,000-150,000.I-PP ingenye yepulasitiki elula kakhulu kuzo zonke izinhlobo okwamanje, ezinzile emanzini, izinga lokumuncwa kwamanzi amahora angama-24 liyi-0.01% kuphela.