Guhambira PP (guhambira polypropilene) bigira uruhare runini mugupakira ubuhinzi, kubona ibyatsi byatsi, imirima y'ibihingwa, ipamba, n'umusaruro wo kubika no gutwara. Kubaka kworoheje, guhinduka, no gukoresha neza igiciro bituma biba byiza mubuhinzi. Kuboneka mubugari kuva 5mm kugeza 19mm hamwe nimbaraga zo kumena kuva 45kg kugeza 230kg, guhambira PP byakira ibintu byose uhereye kumurima wibihingwa byoroheje kugeza kumyatsi iremereye. Aka gatabo karasobanura ibyingenzi nibyiza byo guhambira PP mubuhinzi.