
Ko te tātari ngota 3A e kiia nei ko te tātari ngota Potassium A (3A), ko te diameter o te poka he 3A, e whakamahia ana mō te mimiti wai, ka taea te mimiti i te diameter matua o te ngota 3A, kāore e taea te mimiti i tētahi ngota kāore e neke atu i te diameter o te ngota 3A. E ai ki te whakamahinga o ngā āhuatanga ahumahi, he tere ake te mimiti, he nui ake te auau whakaora, he kaha ake te kuru me te kaha ki te ātete ki te parahanga, ka whakapai ake i te whai huatanga o te tātari ngota me te whakaroa i te roa o te mahi a te tātari ngota, koinei te tuatahi o ngā mea whakamaroke e whakamahia ana i roto i te maroke hohonu, te whakamahine matū me te polymerization i roto i te hinu me te hau ahumahi.
| Taonga | Wāhanga | Ngā raraunga hangarau | |||
| Āhua | Pellet | Porowhita | |||
| Diameter | mm | 1.5-1.7 | 3.0-3.3 | 1.7-2.5 | 3.0-5.0 |
| Te ōwehenga rahi ki te taumata | % | ≥98 | ≥98 | ≥98 | ≥98 |
| Kīanga papatipu | karamu/ml | ≥0.65 | ≥0.65 | ≥0.70 | ≥0.70 |
| ōwehenga kakahu | % | ≤0.20 | ≤0.25 | ≤0.10 | ≤0.10 |
| Te kaha o te kuru | N | ≥45/cm | ≥60/cm | ≥30/p | ≥70/p |
| Te mimiti wai pūmau | % | ≥20 | ≥20 | ≥20 | ≥20 |
| Te mimiti o te ethylene | % | ≤3.0 | ≤3.0 | ≤3.0 | ≤3.0 |
| Te nui o te wai, i tukuna mai | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
a) Te whakamaroke i ngā hauwaiwai kore-mākū (hei tauira, te ethylene, te propylene, te butadien)
b) Te Whakamaroke Hau Pakaru
c) Te whakamaroke i te hau māori, mēnā he mea nui te whakaiti i te COS, mēnā rānei e hiahiatia ana he iti rawa te mimiti tahi o ngā warowaihā.
d) Te whakamaroke i ngā matū tino polar, pērā i te methanol me te ethanol
e) Te whakamaroke i te waipiro wai, CNG.
f) Te maroketanga pumau (kore e whakaora) o ngā waeine karāhe whakamahana, ahakoa he hau, he hau rānei.
g) Te whakamaroke i te CNG.
Hei karo i te haukū me te mimiti o ngā mea waro i mua i te whakamahinga, me whakahohe anō rānei.