Polypropylene, ubwoko bwa polymer idahumanya, idafite impumuro, kandi idasembuye ifite uburyohe bwinshi, aho ishonga iri hagati ya 164-170℃, ubucucike buri hagati ya 0.90-0.91g/cm3, uburemere bwa molekile buri hagati ya 80.000 na 150.000. PP ni imwe muri pulasitiki yoroshye cyane kurusha izindi zose muri iki gihe, cyane cyane mu mazi, aho igipimo cyo kwinjiza amazi mu mazi mu masaha 24 ari 0.01% gusa.