Kei roto i ngā kōpura wetewete ngā muka i hangaia ki te kirihou tauwehe teitei. Ka whakakīia ngā ngongo ki te matū ārai-wai. Ka whakanohoia te waea maitai, ka pania ki te polyethylene mēnā e tika ana, ki waenganui o te matua hei mema kaha. Ka herea ngā ngongo ki te mema kaha hei hanga i te matua taura. Ka whakaputahia te polyethylene paparanga AA hei uhi o roto. Whai muri i te paninga roa o te PSP ki runga i te uhi o roto, ka oti te taura me te uhi o waho PE.
Ko ngā hanganga katoa e ārai ana i te wai, e whakarato ana i te mahi pai o te ārai makuku me te aukati wai;
Ko ngā ngongo wetewete motuhake kua whakakiia ki te kirikiri ka whakarato i te tiaki muka whatu tino pai.
Waea maitai phosphate ātete ki te waikura me te modulus teitei hei mema kaha pokapū
Mā te tino whakahaere i ngā mahi toi me ngā rauemi mata ka taea te roa o te ora o te taputapu neke atu i te 30 tau.
Taupānga: te whakawhiti kōrero mō te wā roa me te hanga whatunga whakawhitiwhiti kōrero;
Tāutanga: tanumia tika;
Pāmahana whakahaere: -40~+70℃;
Pūtoro piko: pūmau 12.5*D/ Hihiri 25*D.
| Te maha o ngā muka | Diameter ingoa (mm) | Taumaha ingoa (kg/km) | Te muka mōrahi mō ia ngongo | TAU (Ngā Ngongo +whakakī) | Kawenga kume e whakaaetia ana (N) (wā poto/wā roa ) | Ātete kuru e whakaaetia ana (N/10cm) (wā poto/wā roa ) |
| 2~36 | 12.7 | 173 | 6 | 7 | 3000/1000 | 3000/1000 |
| 38~72 | 13.9 | 211 | 12 | 6 | 3000/1000 | 3000/1000 |
| 74~96 | 15.5 | 251 | 12 | 8 | 3000/1000 | 3000/1000 |
| 98~120 | 17.2 | 299 | 12 | 10 | 3000/1000 | 3000/1000 |
| 122~144 | 18.8 | 345 | 12 | 12 | 3000/1000 | 3000/1000 |
| >144 | E wātea ana i runga i te tono a te kiritaki | |||||