He kāwanatanga e whai a Yuezheng i te maha o ngā kete rēhita me ngā kete kai e kitea nei i ngā paku me ngā paepae kai i nō tērā wā. Kia whakaputa i ngā kete, ka whakamahi atu rātou i te maha o ngā momo rerekē o ngā rauropi plastic, e mōhiotia ana hei resins. Ko te ingoa o tēnei rauropi ko te resin, kei reira te whakapūmau me te haurongo o ngā plastic. Ka whakamahi rātou i ngā resins e mohio tonu ana, pērā i te polyethylene, te polypropylene, te PVC, te nylon, ā, me era atu. He taiepa tuatahi ki ngā resins e rerekē ana, e pai ai i te whakarite i ngā kete mō ngā tūmomo kē.
Te hara kētene e whai ake ana hei hanga rīpeka kētene he polyethylene. He nui te rangatiratanga, he hāpori te mohiotanga, ā, ka taea te kawe i ngā mea iti kore rawa atu i te pērangi. He pai ki te kete e waihanga nei e mātou i ia rā, ā, inaianei ki te paepae hoko. Me whakauru anō hoki te polypropylene? Koia he hara kētene nui rawa atu i te whakamahere, nā te mea he tūpato nui, he tika hoki i ngā wāhi whakatakoto o ngā wāhanga nui. Ko tēnei e mahi pai ana hei whiriwhiri i ngā kete e mau ana i ngā mea whakaruru wera, rānei ko ngā kete e noho ake ana i roto i te wera. Ko te Polyvinyl chloride (PVC) e whai ake ana hei hanga i ngā kete mā. Nō reira, ka kitea noa te mea i roto i ngā kete nei. Ko tēnei he pai ki te whakapakari i ngā mea e hiahia ana koutou kia kitea e ngā tangata i roto i ngā kete. Ko te kētene pūmau, ko te nylon, e hanga ai ngā kete nui rawa atu i te whakatiki i ngā rīpeka me ngā taputapu. He whai oranga, he whai mana hoki ki te kawe i te wehe me te pērangi.
Nō te pūkorero, he mea māku rānei ngā perehi LDPE, he mea waimarino. He wētai rawa atu hoki te mahi nui ki a rātau i te mea e hiki iho ana te paepae whakamātau i te paepae matatini. Ko tēnā e mahi ai kia mātau ai ki te hanga ngā pouaka whati. E pai ā rā nei ki ngā kai taumaha, ki ngā mea whati iti noa iho inā he mea wēhenga noa, he mea noho, he mea tirotiro. Kīhai tonu he pai ki te whakamahi i ngā perehi polietēni matatini, he mea tuwhera rawa atu, he mea whakapakari, he paepae whakamātau matatini. Ka hanga ngā hua o enei materiale hei whakangungu i ngā pouaka nui e taea ana te whakauru i ngā mea nui kore whakatata. (Ko ētahi o enei pouaka ka whakamahi i roto i te hanga whare rānei ki te karikari i ngā mea nui.)
Ki te whakapakari te tūmanako me te whakawātea o ngā pouaka plastic, ka tomo ā Yuezheng i ētahi materiale atu e mōhio ana hei 'additives' ki runga i ngā perehi polietēni. Ko ēnei additives ka whakamahia hei whakapakari i te rangatāngata me te tūmanako. Ka taea e rātau te tiaki i ngā pouaka kia kaua e whati, e tahuri, e rere atu, ā, ka whakapakari i ngā pouaka kia kawe tonu i runga i te rā, te uru huringa, me te wai, ko ngā take nui katoa i roto i tēnei, inā he mea e whakamahi ana i waho.
He wā kei raro o ngā whakarite maha e whakamahia ana e Yuezheng, ko ngā kaiwhakarite wehe, ngā kaiwhakaaweawe, me ngā whakarite UV. Ko ngā kaiwhakarite wehe ka tāpiri ki ngā pereki hei whakaiti i te hītoro i waenganui i ngā raraunga kōkōwai i roto i te kēti. Ka whakaaeahia e ia kia waimaria te whakatuwhera me te whakapiri anō i ngā kēti, nā te mea kaore i te pai kia maru atu. Ko ngā kaiwhakaaweawe ka tāpiri hoki kia kaua ngā kēti i te maru atu, ā, ina tonu ka whakatūria i runga iho i aua kēti. Ko tērā e āwhina tētahi kētanga kia kaua e whakaputuputu, ka taea e koe te hiki i ngā mea ki waho — me te whakahokia i aua mea ki roto i ia kēti, kāore i te mohio. E tāpiri ana hoki ngā whakarite UV ki ngā kēti kia kaua e whakarearea e te ururangi o te rā. Ka āwhina au ka hirango rawa ake ngā kēti, ēngari me pēnei i te mea ka whakamahia i waho.
Ko te matera whakarite i runga i te utu e tino whai kaha tonu atu i te pākete whaiwhai anō, me utu nui ake hoki te mahi mōna. Ko te pākete whakaorangia, nā wāhi atu, he iti i te utu me te whakaiti i ngā rerekētanga, kei tērā pea he pai ake mō te taiao. Heoi, ahakoa kaore te pākete whakaorangia i te tū tonu rānei i te kaha o te pākete hou, he nui ngā pūtake whenua e tiakina nei, ā, he nui hoki te āheinga ki te whakanui i te oranga o te whenua. Ki te whakamahi i ngā matera whakaorangia, ka tiaki i te taiao e pā ana ki te whakaiti i ngā pūnaha pākete i roto i ngā paheko whenua.
Ko te mahi o te pūaruhe e whai ake nei i ētahi atu tauāhuatanga, pērā i te werawera o te pākete, te rahinga, me te hoahoa o te waewae. Ki te whakatika ngā take nei i runga i te maramatanga, ka taea e Yuezheng te whakatakoto i ngā pīhau pākete matua me te kaha, te whai kaha, me te whakapono. Ko tēnei whakaaere e nui ana ki te hanga i ngā pīhau e taea ai e ngā tūranga e hiahia ana, ā, ka taea hoki te kawe noa i ētahi mea.
Te Tirohanga © Yuezheng Plastic Color Masterbatch (Dongguan) Co., Ltd. Nga Rangatiratanga Katoa Whakaritea
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