1. Teitei o te mahi: Ka whakamahia e ngā taputapu whakaputa te raina whakaputa taketake i kawemai mai i Battenfeld-Cincinnati, Tiamana. Ko ngā rauemi mata he mea kawemai mai i ngā rauemi motuhake i whakaranua mai i Borealis ME3440 me HE3490LS. He teitei te mahi haumaru o te hua.
2. Te kounga hua pumau: Kua oti ngā taputapu whakamātautau mō ngā rauemi mata me ngā hua kua oti, ā, ka hangaia, ka tirotirohia hoki ngā hua i runga anō i te paerewa GB15558.1-2003.
3. Hononga pūmau, kāore he turuturu: Ka honoa ngā pūnaha paipa mā roto i ngā hononga paipa whakakotahi hiko, ā, he pūmau te hononga o ngā hononga, ā, e kore e turuturu.
4. Roa te ora ratonga: kei roto i te hua te 2-2.5% o te pango waro kua tohatohahia, ka taea te penapena, te whakamahi rānei i waho i te rangi tuwhera mō te 50 tau; He rauemi kore mahi, he ātete matū pai, kāore ngā matū i roto i te oneone e pā kino ki te paipa;
5. He ātete pai ki te pakaru me te ātete kakahu: He kaha kutikuti teitei, he ātete rakuraku pai, he ātete kakahu pai hoki, ka taea ai te karo i te kino o te pūnaha paipa i te wā hanga.
6. Ātete kaha ki te taunga o te turanga: Neke atu i te 500% te roa o te paipa tuku wai HDPE i te wā e whati ana, ā, he kaha tōna urutau ki te taunga koretake o te turanga, ā, he tino pai te mahi ārai-rū whenua.
E 72 katoa ngā hua paipa hau PE, e rua ngā momo: PE80 me PE100. E ai ki te pēhanga mahi mōrahi e whakaaetia ana, e whā ngā momo e wehea ana: PN0.5MPa, PN0.3MPa, PN0.7MPa me PN0.4MPa. Mai i te dn32 ki te dn400, e 18 ngā whakaritenga, e whakamahia ana mō te kawe i te hau māori.