Uma kuziwa ezintweni zokupakisha,ifilimu elulaivamise ukusetshenziswa kuzilungiselelo zezimboni, ezentengiselwano, nezokuthutha. Kodwa-ke, njengoba ukuhlukahluka kwezinto zokupakisha kuqhubeka kwanda, abantu abaningi bayazibuza ukuthi ifilimu enwetshiwe ingasetshenziselwa ukugcina nokugcina ukudla. Ingabe ifilimu enwetshiwe ifanele ukugcina ukudla kukusha, noma kukhona ezinye izindlela ezingcono?
Ake sihlole izakhiwo zefilimu enwetshiwe, ukusetshenziswa kwayo okuhlosiwe, nokuthi ingasetshenziswa ngokuphepha yini ukudla.
Yini i-Stretch Film?
Ifilimu yokwelula, eyaziwa nangokuthiukwelula ukugoqa, wuhlobo lwefilimu yepulasitiki eyenziwe ngokuyinhlokoi-linear low density polyethylene (LLDPE). Kwaziwa ngakhoukunwebeka, evumela ukuthi igoqe ngokuqinile ezintweni, idale isendlalelo esivikelekile, esivikelayo. Ifilimu yokwelula ivame ukusetshenziswa ezimbonini ezifanalogistics, indawo yokugcina impahla, futhiukukhiqizaukuzinzisa nokuhlanganisa izimpahla ngesikhathi sokuthunyelwa nokugcinwa.
Ngenkathi ifilimu enwetshiwe iklanyelwe ukugoqa izinto ngokuqinile, ukuvimbela ukuthi zingaguquki noma zonakaliswe ngesikhathi sokuthutha, abantu abaningi bangase bazibuze ukuthi ingabe izakhiwo zayo ziyenza ifanelekele ukusonga izinto zokudla.
Ingabe Ifilimu Yokwelula Ingasetshenziswa Ekudlani?
Ngamafuphi, yebo, ifilimu elula ingasetshenziselwaukupakisha ukudlaezimweni ezithile, kodwa ngezinyeizinto ezibalulekile.
1. Ukuphepha Kokudla
Ifilimu yokwelula yenziwe ngezinto ezibhekwa ngokujwayelekilekuphephile ukudla. Amafilimu amaningi alula akhiweI-polyethylene esezingeni eliphansi (LDPE)nomai-linear low density polyethylene (LLDPE), zombili leziIgunyazwe yi-FDAukuxhumana okuqondile kokudla ezinhlelweni ezithile. Lokhu kusho ukuthi ifilimu enwetshiwe ingasetshenziselwa ukusonga ukudla uma ihlangabezana nezindinganiso ezidingekayo zokuphepha kokudla.
Nokho, kubalulekilehlolauma ifilimu elula oyisebenzisayoizinga lokudla. Akuwona wonke amafilimu alula akhiqizwa kucatshangelwa ukuphepha kokudla, kanti amanye angase aqukathe amakhemikhali noma izithasiselo ezingafanele ukugcina ukudla. Njalo qinisekisa ukuthi ifilimu enwetshiwe oyisebenzisayo ibhalwe ngokuqondile ngokuthiukudla okuphephilenomaIgunyazwe yi-FDAngokuthintana ngqo nokudla.
2. Ukusha Nokulondolozwa
Omunye wemisebenzi eyinhloko yefilimu enwetshiwe ukudala iisivalo esingangeni moyaezizungeze izinto. Lokhu kungaba usizo lapho usongaizithelo ezintsha, imifino, kanye ne-deli meat. Ukugoqa okuqinile kungasiza ekunciphiseni ukuchayeka emoyeni, okungase kusize ukubambezela inqubo yokonakala ngokunciphisa ukulahleka komswakama nokungcoliswa. Kodwa-ke, ngokungafani nezinto ezikhethekile zokupakisha ukudla, ifilimu enwetshiwe ayinayo into efanayoumswakama-umgoqoizakhiwo, ezingase zibalulekile ekulondolozweni kokudla isikhathi eside.
Ukuze uthole isitoreji sesikhathi eside, ungase uthande ukucabangela ezinye izindlela, njengeukuvalwa kwe-vacuum, njengoba inikeza isivalo esinokwethenjelwa kakhulu esingangenisi umoya nesivikelo esingcono ekushiseni umswakama nesiqandisi.
3. Ukusebenziseka kalula nokuguquguquka
Ifilimu yokwelula iguquguquka ngendlela emangalisayo futhi ingasetshenziswa ukugoqa izinhlobo ezahlukene zokudla, njengokuthiinyama, ushizi, imifino, izithelo, futhiizimpahla ezibhakwayo. Kungaba usizo ikakhulukazi kuukupakishwa kokudla kwezentengiselwanofuthiukupakisha ngobuningilapho ukudla kudingeka kuhlanganiswe ndawonye futhi kuvikelwe ngesikhathi sokuthutha noma ukugcinwa.
Ngoba ifilimu elulaobala, iphinde ivumele ukubonakala kalula kwezinto ezigoqiwe, okungaba lula uma ugcina ukudla ukuze kukhonjwe ngokushesha.
4. Isitoreji Nokuphatha
Ifilimu yokwelula inikeza aukugoqa okuqinile, okuvikelekile, esiza ekuvimbeleni ukudla ukuthi kungangeni ezintweni ezingcolisayo. Kuyasiza ikakhulukazi lapho usonga izintoisitoreji sesikhathi esifushane, njenge-isiqandisinomaukuqanda.
Kodwa-ke, nakuba ifilimu elula ingasiza ukugcina ukudla isikhathi esifushane, ayisebenzi kahle ekulondolozeniubusha obulungileuma kuqhathaniswa nezinye izinto eziklanyelwe ngqo ukulondolozwa kokudla, njengeukugoqa ukudla kwepulasitikinomaucwecwe. Ngaphezu kwalokho, i-stretch film ayinayoisivikelo se-punchnomaukuphefumulaezidingekayo ezintweni ezifanaisinkwa esisha, okungase kudinge ukugeleza komoya ukuze kuvinjelwe ukukhula kwesikhunta.
5. Izinkinga ezingaba khona nge-Stretch Film for Food
Ngenkathi ifilimu elula ilula, kukhona ezimbalwaama-downsidesukuyisebenzisela ukugcina ukudla:
Ukuphefumula Okulinganiselwe: Njengoba kushiwo ngaphambili, nakuba ifilimu enwetshiwe ingasiza ukugcina ukudla kukusha okwesikhashana, ayikuvumeli ukujikeleza komoya. Lokhu kungase kube inkinga ngokudla okuthile, njengomkhiqizo omusha, odinga ukugeleza komoya ukuhlala kusha isikhathi eside.
Ukuqina: Ifilimu enwetshiweyo ivamise ukuba mncane kunezinye izigodlo zokudla, okusho ukuthi ingase inganikezi isivikelo esikhulu sezinto zokudla ezithambile. Uma ingaphathwa kahle, ingase idabuke noma iphuke, ivezele ukudla ekungcoleni.
Ayilungele Ukuqandisa: Nakuba ifilimu enwetshiwe ingasetshenziselwa ukudla okuqandayo, ayinikezi izinga elifanayo lokuvikelaukushisa kwefrijinjengezikhwama zefriji ezikhethekile noma amaphakheji e-vacuum-seal.
Ezinye izindlela Zokwelula Ifilimu Yokupakisha Ukudla
Uma ukhathazekile ngemikhawulo yefilimu enwetshiwe yokugcina ukudla, cabangela ezinye izindlela ezilandelayo:
Gqoka Ukugoqa: Ngokungafani nefilimu elula, ukugoqa okunamathelayo (okubuye kwaziwe ngokuthiukugoqa ngepulasitiki) yakhelwe ngokukhethekile ukudla. Ine-aimvelo yokunamathelaokunamathela endaweni yokudla, okwenza uphawu oluqinile ukugcina ukudla kukusha. Itholakala kuzo zombiliizinga lokudlafuthiezentengisoamabanga.
Izikhwama ze-Vacuum Sealer: Ukuze ugcine isikhathi eside, ukuvala i-vacuum kungenye yezindlela eziphumelela kakhulu zokulondoloza ukudla ngokususa umoya nomswakama. Izikhwama ze-vacuum sealer ziklanyelwe ukuvimbela ukushiswa kwesiqandisi nokwelula isikhathi seshelufu sokudla.
Iphepha le-Foil ne-Parchment: Kwezinye izinhlobo zokudla, ikakhulukazi lezo ofuna ukukupheka noma ukukugcina efrijini,ucwecwenomaiphepha lesikhumbaingase inikeze ukuvikeleka okungcono ekulahlekeni komswakama kanye nokungcoliswa.
Iziqukathi Zengilazi noma Iziqukathi Zepulasitiki Ezingenayo I-BPA: Ukugcina ukudla isikhathi eside, ukusebenzisa ingilazi engangeni moya noma iziqukathi zepulasitiki kuyindlela ethembeke kakhulu kunezingubo zepulasitiki. Lezi zitsha zingasetshenziswa futhi, okuzenza zingabi nemvelo.
Isiphetho: Sebenzisa Ifilimu Yokwelula Ngokuqaphela Ukudla
Ekuphetheni,ifilimu elulaingasetshenziselwa ukugcina ukudla, kodwa akuyona njalo inketho engcono kakhulu kuye ngokudla okuqondile kanye nesikhathi sokugcina oyifunayo. Uma isetshenziswe ngendlela efanele futhi ezimweni eziphephile zokudla, ifilimu enwetshiwe ingasiza ukunweba isikhathi seshelufu sezinto ezithile, ikakhulukazi endaweni yokugcina isikhathi esifushane. Kodwa-ke, ukuze ugcine isikhathi eside noma izinto ezibucayi kakhulu, kunezinye izindlela ezingcono zokupakisha ezitholakalayo.
Ukuze uthole ukupakishwa kokudla okuphephile futhi okusebenzayo, qiniseka njalo ukuthi impahla oyisebenzisayo iyiyoizinga lokudlafuthi ihlangabezana namazinga okuphepha adingekayo.
Uma ufuna ukufunda okwengeziwe mayelana ne-stretch film kanye nokusetshenziswa kwayo emikhakheni ehlukene, zizwe ukhululekile ukuvakashela iwebhusayithi yethulapha. Sinikeza izinto ezihlukahlukene zokupakisha ezenzelwe izidingo ezihlukahlukene.
Isikhathi sokuthumela: Mar-14-2025