Ahakoa he iti iho i te 5% o te utu katoa o te karaihe whakamātao te hiri butyl, nā ngā āhuatanga o te hanganga hiri karaihe whakamātao, ka taea e te pānga hiri o te rapa butyl te eke ki te 80%.
Nā te mea ko te hiri butyl te hiri tuatahi mō te whakamahana i te karāhe, ko tana mahi matua he hiri me te pupuri i te tere tuku mamao o te mamaoa wai.
Nō reira, i te wā e whiriwhiri ana i te hiri butyl, he aha ngā āhuatanga me aro atu, kia taea ai e koe te whiriwhiri i te hiri butyl pai ake me te kore e takahi i te poka?
I konei a Pita i tēnei rā ki te tuku kupu whakataki poto ki a koe

Ina tirohia te hiri butyl, ko te mea tuatahi hei tirotiro mēnā kua oti ngā mōhiohio, pērā i te tiwhikete hua, ngā mōhiohio kamupene, te rā hanga, te roa o te wā e whakamahia ana, me ētahi atu, me te mea e hiahiatia ana he manatoko tika ake. Me whakarato pea ngā kaihanga i ngā pūrongo whakamātautau hua.
Kātahi ka tirohia te tinana o te rapa butyl. He pango, he kanapa te tae o te hiri butyl pai, he maeneene, kāore he matūriki, ā, kāore he mirumiru.

Hei tāpiritanga, ko te roa o te oranga o te hiri butyl whānui ka neke atu i te 2 tau, ā, ko te rapa butyl he pai ake te kounga ka eke ki te 3 tau. Mena he iti iho i te rua tau te roa o te oranga o te hiri butyl, kāore i te pai te kounga o te hua, he taonga taketake rānei.
I raro i te kounga ōrite o te hiri butyl, ka nui ake te rōrahi, ka pai ake te kounga. I raro i te rōrahi ōrite, ka nui ake te wāhi piri, ka pai ake te kounga. Heoi, ahakoa te āhua o ngā hua ngoikore he kounga teitei me te rōrahi, he nui te kounga o te rapa butyl. Ka iti ake te horahanga o te hiri.
Wā tuku: Whiringa-ā-rangi 24-2022