PE ifuthi yepolyethylene. Lento lenziwe kakhulu ngokubanzi lapho uzama ukwakhiwa amaninzi okusebenzeka kwindawo ezintathu. Ungavala PE kumibaghezi emithathu ethathe nayo xesha lokushopa, kumbhophethleli zemanzini ezifumanekayo amadringi, kunye nokuphela kwi-toys zakabili. PE iyaziwe ngokukhulu ngoba kukhulu ukusuka kunye nokwenza kanye nokulandelana. Iyenzisa sisebenzisa ngokubalulekile xa sihlola imibhokisi, sisipha idrink esihle sethemba, kunye nokuhamba kwisebenza elikhulu.
HDPE ifuthi yesi-high-density polyethylene. Lento lenziwe ngokubanzi kulapho uzame ukwakhiwa amandla kunye nomsebenzi wakhe. HDPE uzame ukwakhiwa kumipayipi yamanzi yokuthatha amanzini ekhaya ethejwayelekileyo. Ukuziphatha kungaba kwiimibhalo zokuthi zomoto ezidinga umsebenzi wesigcino kunye neentsobi. HDPE inamandla, futhi yi-trusted alternative yezinto eziqondiswa lokuhlola ukusafisana kunye nokuhlola.
i-LDPE – i-Polyethylene yenkqabi Enkululeko. Ukuthe kwesinye isimo sesililo si-PVC esizweni kwe-PE kunye no-HDPE ngoba kukho ukungaphakamisi kunye nokuncane. Ngokuvamile, i-LDPE siyenzeka kumahlalelo okufuneka amaxhobo angene ukuqala ngeentsha okanye umthengi wemali. Siyenzeka i-LDPE ukubaheka amabhopho amacabanga asemva emibhuleni engenayo ukukhawuleza imibhopho kunye nezinkomo zokugcina inkosikazi okanye inqwelo yokugcina. Kuyingxenye yezinto ezifunekayo ukuba kuneenketho, njengemibhopho ebhokisi abaningi abafuneka bakhusele izinto zabo ngokubhekisisa. Kodwa i-LDPE ayiqinileyo njengesi-HDPE, futhi ayisebenziswe kuzo zokuphela ukudla.
Kuyona sithi, i-HDPE inguqulelo ngokuthi lokhu kungaphandle kwezinye izinhlelo ezikhoyo. Ngokubalulekile, kusukela kwi-produkte ngokwesibonelo esishumi lemanzi okanye amaphephandaba wecar, uphawu lwesintshane kufuneka luhlabe inqanawe ngenqanawe ngaphandle kokugcina. Futhi, uma uphawu olungaphansi kulungile, kuhlonipha ukuba akulindise okanye akusebenze ngakumbi, lokhu kuzobuya nokuphazamisa izigoduso ezingasiza. Lokhu kungcono ngazo kusuka kwi-zinto ezi-ziHDPE zingavumelekileyo umthombo. Ukuguquleko kwake kufuneka kuhlala kwayo ukuthi kube yinguqulelo engekho noma engasebenza ngokukhangelwa kunye nokuhlola.
LEDP iindlela ezininzi elihlukahluka elisetyenziswa kumoya ngalokusha. Ungayibona kulesi sikhathi esikamusi esisebenzisa ukuhlala emanzini okuyihlaba lokulandelana ngeplastiki okufanele ukusiza imifuno engenakwabo okanye ekhansi lebhotile elisetshenziswa ukuthola amasi. Lowo plasitiki oluncane olunempumelelo, noma LEDP, usebenza ngokuphiwa ukuba izinto zibe ngaphandle kokubhalekelayo nokuhlambelana, njengemibaghi yephistiki eyisetshenziswa ukuthola amafuthe. Kodwa, kufanele usuke uphawule ukuba LEDP uyindlela engaphezulu kakhulu phakathi kweHDPE. Oku kungapheli sikwenze umsebenzi wokuqinisekisa izinto eziphinde zidinga ukuba ziziphumulekile, njengamaphipha weamanzi okanye amasiphi wesithathu. Ngakho ke, yiyingxenye yokugcina ukuba yilungileyo.
Ngokushesha, iziplastiki eziningi ziiqiniso kakhulu kule ndawo lokuhlala, kodwa baze ngakho bazophinda ukulandelayo kwisebe. Ngokubanzi, iziplastiki ziqale iziphi esebenza njengesi PE, okusebenzisa emasakheni, amabhophheli nokuthi, ziyiphakamiso elingaphambili olungaphezu kwalendawo olunemibuzo. Iziplastiki ezifanezelwe akabekelanga ukusuka ngaso ngenxa yokuba asikwazi ukuphucula ngokuqondileyo. Ukuthi ngisho, baze bekhona kumizwa ezimbili, okanye bazobuya eziqhemeni zomlilo, uzalimisela indlela nezilwandle, uzalimisela izindlu zamahlola nokusebe. Lokhu kungaba yinto engasekuphi okuyini apho sithole ukufinyelela iziplastiki zezininzi ngokupheleleyo. Ukufinyelela kukwahlula ukusuka kweziphastiki nokukhuphula kwethu futhi kwayo lendlaweni.
Ngokugcinwa ukuthi iplastiki ze-PE ziqondisa izinkinga zomphilo wemfowethu, kodwa zisiza ngazo kakhulu emibhuleni ethunyelwe yethu ngalokho sengxenye yezilimi lethu. Ngenkinga eliphakamisiwe kakhulu lokho kungabapheli ubuhle obuchasene nesikhathi sokuhlola, kusuke kusenzela isikhwama esingqondisiwe ukubuyiselwa kwezinye ezincane ezincedwayo okanye ezifumanekayo indlela yokushintsha kwemfowethu. Amathupha amahlukile angazange ahluleke umthwalo oluthuthukiswa ngu-PE. Okonjululiyo kufanele sihambisane ngephakathi lokuhlola lwezinto ezintsha zakho ukuvumela ukuthi singashintshwe ngokuthi singayishayelekanga kwi-PE, HDPE nokunye nase-LDPE.
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