1. Ngā rerekētanga o te tono.
Tauine whakamahinga oPepa PE: e whakamahia whānuitia ana i roto i te umanga matū, mīhini, umanga matū, hiko, kākahu, takai, kai me ētahi atu mahi. E whakamahia whānuitia ana i roto i te kawe hau, te tuku wai, te tukunga paru, te whakamakuku ahuwhenua, te kawe matūriki totoka i roto i ngā maina, tae atu ki te mara hinu, te umanga matū, te mēra me te whakawhitiwhiti kōrero, me ētahi atu, inā koa i roto i te kawe hau.
Te tauine whakamahinga o te pereti PP: mō ngā taputapu ātete waikawa me te kawakore, ngā taputapu tiaki taiao, ngā taputapu tuku wai para me te hau para, te pourewa horoi, te rūma kore puehu, ngā taputapu o te wheketere haurua-ira me ōna ahumahi e pā ana, me te rauemi pai hoki mō te hanga tāke wai kirihou. I tēnei wā, he whānuitia te whakamahinga o te pereti matotoru PP mō te pereti tā, te papa wero, me ētahi atu.
2. Ngā rerekētanga o ngā āhuatanga.
He ngohengohe te papa PE, ā, he pakari anō hoki, he pai ake te ātete ki te pānga me te whakamarie, ā, he pai ake te mahi a te papa i hangaia; he pakeke te papa PP, he ngoikore ngā āhuatanga miihini, he iti te pakari, ā, he ngoikore te ātete ki te pānga.
3. Ngā rerekētanga o ngā rauemi.
Ko te pereti PP, e mōhiotia ana ko te pereti polypropylene (PP), he rauemi haurua-kiriata. He mārō ake i te PE, ā, he teitei ake te ira rewa. Ko te pepa PE he momo kapia kirihou wera me te tioata teitei me te kore-polarity. Ko te āhua o te HDPE taketake he mā miraka, ā, he mārama ki tētahi taumata i roto i te wāhanga angiangi.
Te wā tuku: Hui-tanguru-09-2023
