He rauemi tā te kiriata kirihou, he mea tā hei putea tākai, he mārama, he ātete ki te makuku me te hāora, he pai te piri o te hau, he pakari, he ātete ki te takai, he maeneene te mata, ka taea te tiaki i te hua, ā, ka taea te whakaputa anō i te āhua o te hua, te tae me ētahi atu painga. I te whanaketanga o te umanga matū hinu, he maha ake ngā momo kiriata kirihou, te kiriata kirihou polyethylene (PE), te polyvinyl chloride (PVC), te polystyrene (PS), te kiriata polyester (PET), te polypropylene (PP), te nairona (PA) me ētahi atu. Hei tāpiri, he maha atu ngā momo kiriata kirihou, e whakaaro ana te kaihanga tākai ngāwari ngaio a Shunfa packing me mārama ki ngā āhuatanga o te kiriata kirihou i mua i te tākai ritenga i ngā putea. Kua wehea motuhaketia ngā āhuatanga o te 11 momo kiriata kirihou i raro i te putea tākai hei tohutoro māu.
1. Polyvinyl chloride (PVC)
He rite tonu ngā painga o te kiriata PVC me te PET, ā, he rite tonu ngā āhuatanga o te mārama, te manawa, te ātete ki te waikawa me te kawakore. He maha ngā putea kai o mua i hangaia ki ngā putea PVC. Heoi, ka tukuna pea e te PVC ngā carcinogens nā te korenga o te polymerization o ētahi monomers i roto i te tukanga hanga, nō reira kāore e pai mō te whakakī i ngā matū kai-grade, ā, he maha kua huri ki ngā putea takai PET, ko te tohu rauemi ko te Nama 3.
2. Porotireini (PS)
He iti te mimiti wai o te kiriata PS, engari he pai ake tōna pumau ā-ahu, ā, ka taea te tukatuka mā te pupuhi i te mate, te pēhi i te mate, te whakaputa me te hanga wera. I te nuinga o te wā, ka wehea kia rua ngā wāhanga o te pahuka me te kore pahuka i runga i te mea kua puta i te tukanga pahuka. Ko te PS kore pahuka e whakamahia ana i roto i ngā rauemi hanga, ngā taonga takaro, ngā tuhinga, me ētahi atu, ā, ka taea hoki te hanga hei ipu kua whakakiia ki ngā hua miraka rewena, me ētahi atu. I ngā tau tata nei, kua whakamahia whānuitia hoki hei hanga i ngā taputapu tēpu whakakorekore, ā, ko te tohu rauemi ko te Nama 6.
3. Polypropylene (PP)
He māmā noa te tukanga hangahanga o te kiriata PP noa, ā, he iti te utu, engari he iti ake te mahi whatu i te CPP me te BOPP. Ko te āhuatanga nui o te PP ko te ātete pāmahana teitei (tata ki te -20 °C ~120 °C), ā, ko te ira rewa he teitei ki te 167 °C, he pai mō te whakakī i te miraka pīni, te miraka raihi me ētahi atu hua e hiahia ana kia horoia ki te mamaoa. He teitei ake tōna pakeke i te PE, e whakamahia ana hei hanga taupoki ipu, ā, ko te tohu rauemi ko te Nama 5. I te nuinga o te wā, he nui ake te pakeke o te PP, ā, he kanapa ake te mata, ā, kāore e puta he kakara kino ina tahuna, ko te PE ia he kakara rama nui ake.
4. Kiriata Polyester (PET)
Ko te kiriata polyester (PET) he kirihou hangarau thermoplastic. He rauemi kiriata angiangi i hangaia ki te pepa matotoru mā te tikanga extrusion me te totoro rua-ara. Ko te kiriata polyester he āhuatanga miihini pai rawa atu, he pakari teitei, he pakeke me te pakari, he ātete ki te poka, he ātete ki te waku, he ātete ki te pāmahana teitei me te iti, he ātete ki te matū, he ātete ki te hinu, he piri ki te hau me te tiaki kakara pai. Ko tētahi o ngā papa kiriata hiato ātete uruhanga e whakamahia whānuitia ana, engari he iti te ātete ki te korona, he nui te utu. Ko te matotoru o te kiriata he 0.12mm te nuinga, e whakamahia whānuitia ana hei rauemi o waho o te putea takai kai, ā, he pai te āheinga tā. Tohua te tohu rauemi 1 i roto i te hua kirihou.
5. Nairona (PA)
He maha ngā momo kiriata kirihou nairona (polyamide PA) e hangaia ana i tēnei wā, ā, ko ngā momo matua e whakamahia ana hei hanga kiriata ko te nairona 6, te nairona 12, te nairona 66 me ētahi atu. He kiriata tino pakari te kiriata nairona, he mārama pai, ā, he kanapa pai. He tino pai te kaha o te kume, te kaha kume, te ātete ki te pāmahana teitei me te iti, te ātete ki te hinu, te ātete ki te whakarewa waro, te ātete ki te kakahu me te ātete ki te wero, ā, he ngawari te kiriata, he pai te ātete ki te hāora, engari he ngoikore te arai kohu wai, he nui te mimiti makuku, he nui te uruhanga makuku, ā, he ngoikore te hiri wera. He pai mō te tākai i ngā taonga pakeke, pērā i te kai hinuhinu, te kai parai, te tākai korehau, te kai tunu kai, me ētahi atu.
6. Polyethylene Kiato Teitei (HDPE)
Ko te kiriata HDPE e kiia ana he geomembrane, he kiriata ātete rānei. Ko tōna ira rewa he tata ki te 110℃-130℃, ā, ko tōna mātotoru whanaunga he 0.918-0.965kg/cm3. He kapia kirihou kore-pororaru te āhua o te HDPE taketake, he mā miraka te āhua, he iti te wāhanga whakawhiti o tētahi taumata mārama. He pai te ātete ki ngā pāmahana teitei me te iti, ā, he ātete pānga, ahakoa i ngā pāmahana iti -40F. He tino pai tōna pumau matū, tōna pakari, tōna pakari, tōna kaha miihini, me ōna āhuatanga kaha haehae, ā, i te pikinga o te mātotoru, ka pai ake ngā āhuatanga miihini, ngā āhuatanga ārai, te kaha kume me te ātete wera, ka taea te ātete ki te waikawa, te kawakore, ngā whakarewa waro me ētahi atu waikura. Te tautuhi: he ma te nuinga, he rite ki te ware pi, te mirimiri, te mirimiri rānei i te pēke kirihou i te wā e haruru ana.
7. Polyethylene Matotoru Iti (LDPE)
He iti te matotoru o te kiriata LDPE, he ngawari, he iti te ātete ki te pāmahana, he pai te ātete ki te pānga, he pai te pumau o ngā matū, i raro i ngā āhuatanga noa he waikawa (haunga te waikawa whakahāngai kaha), he kawakore, he waikura tote, he pai te whakamarumaru hiko. Ko te LDPE te nuinga o te wā e whakamahia ana i roto i ngā putea kirihou, ko te tohu rauemi ko te Nama 4, ā, ko ōna hua e whakamahia ana i roto i ngā mara hangarau ā-iwi me ngā mara ahuwhenua, pērā i te geomemofilm, te kiriata ahuwhenua (kiriata whare, kiriata mulch, kiriata rokiroki, me ētahi atu). Tautuhinga: Ko te putea kirihou i hangaia ki te LDPE he ngawari ake, he iti ake te haruru i te wa e pokepokea ana, ko te kiriata kirihou o waho he ngawari ki te haehae i te LDPE, ā, ko te kiriata PVC, PP rānei he pakarukaru me te pakeke ake.
8. Waipiro Polyvinyl (PVA)
Ko te kiriata hiato ārai teitei o te waipiro polyvinyl (PVA) he kiriata he āhuatanga ārai teitei i hangaia mā te paninga i te wai wairewa-wai kua whakarerekētia o te waipiro polyvinyl ki runga i te papa kirihou polyethylene. Nā te mea he āhuatanga ārai pai te kiriata hiato ārai teitei o te waipiro polyvinyl, ā, e tutuki ana i ngā whakaritenga tiaki taiao, he tino kanapa te tirohanga mākete mō tēnei rauemi tākai, ā, he whānui te wāhi mākete i roto i te umanga kai.
9. Kiriata Polypropylene Maka (CPP)
Ko te kiriata polypropylene whakarewa (CPP) he momo kiriata whakaputa papatahi kāore e taea te totoro, kāore e hāngai ana, i hangaia mā te whakamatao tinei whakarewa rewa. He tere te hanga, he nui te hua, he mārama te kiriata, he kanapa, he ārai, he ngawari, he rite te matotoru, he pai te tu atu ki te tunu i te pāmahana teitei (te pāmahana tunu i runga ake i te 120°C) me te hiri wera pāmahana iti (te pāmahana hiri wera i raro iho i te 125°C), he tino pai te taurite o te mahi. He watea ngā mahi whai muri pēnei i te tā, te hiato, he whānui te whakamahinga i roto i ngā kakahu, te kai, me ngā takai o ia rā, te mahi i te papa o roto o te takai hiato, ka taea te whakaroa i te roa o te oranga o te kai, me te whakanui ake i te ataahua.
10. Kiriata polypropylene rua-aronga (BOPP)
Ko te kiriata polypropylene biaxial (BOPP) he rauemi putea takai ngāwari mārama i whakawhanakehia i te tekau tau atu i 1960, he raina whakaputa motuhake hei whakaranu i ngā rauemi mata polypropylene me ngā tāpiringa mahi, hei whakarewa me te whakaranu, hei hanga pepa, kātahi ka hanga he kiriata mā te totoro. Ehara i te mea ko ngā painga o tēnei kiriata he iti te kiato, he ātete ki te waikura me te ātete wera pai o te kapia PP taketake, engari he pai hoki ngā āhuatanga whatu, he kaha miihini teitei, he rauemi mata nui, he pai ngā āhuatanga tā, ā, ka taea te whakakotahi ki te pepa, PET me ētahi atu papa. He māramatanga teitei me te kanapa, he pai te mimiti waituhi me te piri paninga, he kaha kume teitei, he pai ngā āhuatanga ārai hinu, he iti ngā āhuatanga hiko.
11. Kiriata whakarewa
He rite ngā āhuatanga o te kiriata whakarewa ki te kiriata kirihou me te konganuku. Ko te mahi a te whakakikorua konumohe i runga i te mata o te kiriata he aukati i te māramatanga me te ārai i te hihi ultraviolet, e whakaroa ana i te roa o te oranga o ngā mea o roto, e whakapai ake ana i te kanapa o te kiriata, e whakakapi ana i te pepa konumohe ki tētahi taumata, ā, he iti te utu, he ataahua, he pai hoki ngā āhuatanga ārai. Nō reira, he whānui te whakamahinga o te kiriata whakarewa i roto i ngā takai hiato, e whakamahia ana i roto i ngā pihikete me ētahi atu takai kai maroke, pupuhi, rongoā me ngā takai whakapaipai.
Te wā tuku: Hōngongoi-19-2023