Nā te mea he mama ake ngā pepa paheke i ngā papa reti, he māmā ake te whakamahi mō te kawe, te rokiroki rānei. He mama ake te kawenga i te wā e kawe ana, nō reira he iti ake te utu. Ā, ina whakamahia mō te rokiroki, he angiangi ake, nō reira ka nui ake te wāhi rokiroki. Ā, ka taea e koe te penapena i te wāhi poutū, nā te mea he angiangi. He mangu te tae, ā, he whakairo waku kei tetahi taha o te pepa hei ārai i te neke o te hua mai i te pepa paheke. He pakari ake i ngā pepa paheke muka, ā, ka taea te horoi me te whakamahi anō. He nui ake te utu i ngā pepa paheke muka totoka.
| Matotoru (mm) | g/㎡ | taumaha uta (kgs) | Makuku | Tauwehenga waku | Rauemi |
| 0.6 | 580 | 0-600
| 2% | 0.45 | Whakamahi anō i te HDPE |
| 0.8 | 750 | 600-800
| 2%
| 0.45
| Whakamahi anō i te HDPE
|
| 1.0 | 950 | 800-1100
| 2%
| 0.45
| Whakamahi anō i te HDPE |
| 1.2 | 1150 | 1100-1300
| 2%
| 0.45
| Whakamahi anō i te HDPE |
Ētahi atu Rahi Rongonui
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