Iphephethelo elincinci, noma i-LDPE, yi-plastiki yomkhono. Yingakho kakhulu incinci - meaning ayishayamayo ngokuthi awuninzi. Lapho plastiki lokhu futhi luchasene, meaning ungabuka kunye nokusondwa ngokukhala engazimba. I-LDPE yayilungu lokulanda ukudla kokuthi amandla akwesiphi izinto ezindala zonke, abe ngokushesha kunye nokuhlola. I-LDPE iyenzekelayo ngokubhalisela amabhopho amancane amahluhlwe ngokuthi ethylene monomers. Lapho zibhaliswe, amacomponekenti amahluhlwe amalaleka ngokusukela ukufinyelela izichain ezincinci ze-plastiki molecules. I-LDPE ingakho kakhulu ncinci kunye nokusondwa, kunye namachain amancinci amahluhlwe angithi oku kuningi lokho kunjalo kunjalo kunjalo kunjalo kunjalo.
I-LDPE uyaphathelwa ngemibono eziningi kwisezantsi lethe thina. Izibongo nezinto Ezilandelwe: I-LDPE, i-LDPE yehlukene eliyiziphiyo esihle esisetyenziswa kwindawo yokugcina. I-LDPE sityenziswa ukwenza amaxesha amabili abamfanele abafumana ngesithunzi sokudla, kanti asesetyenziswa ukuba amaxesha amabili okufanele ahlale phakathi komntu wethu ukusureka izinto zethu ngokushesha kunye nokuhlala ngasemva kwezikhankaso. Ngaphandle kokugcina, i-LDPE sityenziswa futhi ukwakhiwa kwamaxesha amabili, amabhopho kunye nemibhendelethi. Ukuphucumana kunye nokulandelayo kuyayazi kakhulu ukuba kufanele ukusetshenziswa lokuhlola amato, ifurnitsha kunye nokuthi kungavumele umuntu owayifuna usizo ukubuya ngokusebenza ngezinto njengemisebenzi yezindiza. Le nto kuvumela ukuphakamiselo kwe-LDPE, kunye nokuba ungasetyenziswa ngazo kwindawo ezininzi ephambili kwakho.
Lolu LDPE lichasenisa amanqaku angaphezulu. Ukuchasene kwegu lwesibane sifuna ukuba kufuneka kuhlala ngaphandle komoya, okungakwazi ukubonisa iminyaka yezinto ezinethuthukiseni. Lolu LDPE lichasenisa amandla aphoqele kakhulu lokulanda izinto zokuphela nokugcina umoya wemvula. Yilokhu engazange uhlale ngekuphela kwezinto ezingafuneka zisukele kanye nokugcina umoya wemvula wokuqala nangokuqopheni. Kodwa, luLDPE lushayelwa ngamandla yakhe. Akuyindawo yokushayela njengamanani amanye, yayingashayelwa ngokushaywa okanye ukusuka. LuLDPE lungekabona intemperatshuri yezinsuku ezincinci, lokungakwazi ukusetshenziswa ndawonke indawo ezintemperatshuri zakho zikuhlinzekile.
Lokhu okulingekileyo njengesi LDPE yilimi elinye leplastika, futhi kunezinye ezininzi, ngalokho okunye kunye noma amandla akhe. I-high density polyethylene (HDPE) yi-plastiki engamphatheleneke kanye neyiphi inqanawe kulapho sihlawule ukuba lokhu sifihlisele kakhulu kusukela nge-LDPE. Lomandla kulula ukuba lokhu sihlawule ukuba HDPE sinikwazi ukuhlanganisa ngezinto eziphumayo nokuziphatha. Umgama omunye, i-polyvinyl chloride (PVC), lingezisizo nokuhlaba kwezansi. Okuhle, kodwa, i-PVC isetshenziswa kahle kancane nalokho olungempumelelo lwesibhedlela, okuningi ukuba lokhu lizange libe lapho lizityelele izicwangciso zazo. Kufuneka lokhu, ngoba ukwazi kwemibhobho ebhodwe kwe-LDPE kungakwazi ukubala ukuthi plasitiki yini yokugcina ukuthi kufuneki kumthetho wasezindlela ezidingekayo. Ukubona amandla amahlukene kunye nemibhobho emibaleni yezityolo eziningi zezimpahla zingakwazi ukwenza izinketho ezikhethelwayo ngokulandelana nendlela yokusetshenziswa yezimpahla.
Ngenkathi kuhluke ukusuka kwesikhwama esizenzekelayo ukuba zikhuliswe ngokulandel’ umhlaba, i-LDPE iyasebenzisa ngokupheleleyo kwiimaterelya ezinamandla. Ingxoxo elingakho nge-LDPE nguqukethwe ukuba lalawuqhubekanga. Lokhu kulungile kakhulu ngoba phambi kokuthi uhambe amanxambulo we-LDPE, sizohlola bazo besifaka amanxambulo amahlukileyo, okuningi lokulula kakhulu lokunye ukuthi uzihlabelele emagumbeni nokuthi imibhokisi yezilwandle zikhathale. Isikhwama sasinye esisebenza ngokubhebha kuhle kwenqanawe yokusebenzela amaxwebhu e-LDPE ekulandel’ umhlaba yi-Yuezheng. Baphakathi ukuya kwindawo yokuhlala kakhulu ukuthi inani le-LDPE lishintshwe, ukususa isithuthi, kunye nokuthuthukiswa kweematekweti zokugcina. Lento inguquko enkulu lokuhlola lokhu kanye nokuthi kufanele kuziphindvule amaxesha amahhovini.
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