I tēnei putanga ka haere tonu tā mātou whakauru i te papa whakamahana uku hei arai mō te kaitahuri nekehanga, ā, ka huri i te whakamahana o waho ki te whakamahana o roto. Kei raro nei ngā taipitopito:
4. Te whiriwhiri rauemi me te tukanga whakamahana i mua i te oumu.
(1) Kōwhiringa rauemi
Me kaha te mahi piri o te piripiri pāmahana teitei ki te hono i te pāmahana rūma me te pāmahana teitei, ko te wā hono he 60 ~ 120 hēkona, ā, he teitei te kaha pēhi pāmahana teitei. Ko tepapa whakamahana wera ukuMe tutuki ngā whakaritenga e whai ake nei: te matotoru papatipu 220~250kg/m3; te ihirangi pupuhi ≤ 5%; te ihirangi makuku ≤ 1.5%, te pāmahana whakahaere ≤ 1100 ℃.
(2) Te tukanga whakamahana i mua i te oumu
Ka taea e te whakamahana-mua o te oumu te whakamātautau i te whakamahana, te tohanga o te hau, te pūnaha whakamatao wai, te pāmahana mahi me te kounga hanga o te oumu, nō reira me whakatakoto he tukanga whakamahana-mua oumu pūtaiao me te whaitake.
Te wā tuku: Hurae-25-2022
