Izilidhi ze-PP zebhokisi lepapu ziyizilidhi zepolipropileni ezinamandla emkhakha, ziyasebenza kubhokisi labhodwe nezilidhi zokushisa. Zinika ukuthintana okuhle nokuphatha kwezinto zokushisa, ukuphatha kwezinto zokugcina, nokufaka kwezilidhi ngokuphelele ukuze ushise ukudlula kwemithwalo. Zisetyenziswa ngokubanzi emaphoyinti wekaffi nasezindaweni zokusiza umuntu, zinika indlela esihlukileyo, enobunzima obuncane, yokuthengiselwa kwezilidhi zokushisa.
| Usayizi | |
| φ80 | |
| φ90 |