PP ubwoko butari uburozi, butagira impumuro nziza, butagira uburyohe bwa opalescent polymer hamwe na kristu yo hejuru, aho gushonga hagati ya 164-170 ℃, ubucucike buri 0.90-0.91g / cm3, uburemere bwa molekile ni 80.000-150.000.PP ni imwe muri plastiki yoroshye yubwoko bwose muri iki gihe, cyane cyane ihagaze neza mumazi, hamwe n’igipimo cy’amazi yinjira mu mazi mu masaha 24 ni 0.01% gusa