Ngā Tohu MHEC mō ngā Whakamahinga Sima Rerekē
Metila Hauwaitoitirīti Hēroro (MHEC) he cellulose ether maha ngā whakamahinga e whakamahia whānuitia ana i roto i ngā hua sima mō tōna pupuri wai, tōna whakamātotoru, me ōna āhuatanga whakarei ake i te mahi. Heoi, kāore i te rite te hanga o ngā MHEC katoa—he rerekē ngā momo kua hangaia hei whakatutuki i ngā tono motuhake pēnei i ngā piripiri taera, ngā whakapiri pakitara, me ngā matū whakataurite-ake.
He mea nui te whiriwhiri i te māka MHEC tika hei whakatutuki i te mahi e hiahiatia ana me te whai hua o te utu mō ngā whakatakotoranga o ō hua.
1. Te Mārama ki ngā Māka MHEC
Ka rerekē ngā māka MHEC i runga i:
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Te matotoru (i inehia i roto i te mPa.s)
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Taumata whakakapinga (te nui o te methyl me te hydroxyethyl)
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Rahi o te matūriki
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Te pāmahana o te kirikiri
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Te maimoatanga mata (te whakaroa o te wairewa, te tere rānei o te whakamakuku)
Mā ēnei tawhā ka whakatau te whanonga a te MHEC i roto i ngā pūnaha sima rerekē, ka pā ki ngā āhuatanga tono pēnei i te pupuri wai, te wā tuwhera, te ngāwari o te mahi, me te piri.
2.MHEC mō te Piripiri Tāera
Te Tohu e Manakohia ana: Teitei o te Matao
Mahi:
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Whakapai ake i te wā tuwhera me te ātete paheke
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Ka whakarei ake i te kaha o te here
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Ārai i te totohu i runga i ngā mata poutū
3. MHEC mō te Putty Pakitara
Te Tohu e Manakohia ana: Te Matotoru Waenga ki te Teitei
Mahi:
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He tino pai te pupuri wai
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Ka whakapai ake i te ngāwari o te mahi me te horapa
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Ka whakarei ake i te maeneene me te whakaoti o te mata
4.MHEC mō ngā Matū Whakataurite-Anō
Te Tohu e Manakohia ana: Te Matotoru Iti ki te Waenga
Mahi:
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Whakahaere i te rere me te whakataurite
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Ka ārai i te whakatōtō me te toto
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Ka mau tonu te ōritetanga i te wā e whakamahia ana
5.MHEC mō te Pāreti me ngā Whakairo Sima
Te Tohu e Manakohia ana: Matotoru Waenga
Mahi:
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Ka whakaroa i te wā mahi
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Ka whakapai ake i te piri me te roa
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Ka whakaiti i te pakaru me te mimiti
6.MHEC mō te Whakatika i ngā Mota me ngā Grout
Te Tohu e Manakohia ana: Te Matotoru Iti ki te Waenga
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Ka whakapai ake i te piri ki te raima tawhito
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Ka whakapai ake i te hononga me te kaha
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Ka whakanui ake i te ātete ki te ngaronga wai i te wā e whakamaroke ana
Mā te whiriwhiri i te māka MHEC hē ka arahi pea ki:
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Te ngoikore o te tono
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Ngatata, ngoikore rānei te hononga
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Te pikinga o ngā utu rauemi
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Te koretake o te makona o te kiritaki
Te mahi tahi me tētahi kaihanga MHEC ngaio pērā i Kingmax mā tēnei ka whiwhi koe i ngā taunakitanga kua whakaritea mō tō tono me ō whāinga mahi.