LEDP yilelowo polyethylene elichotshwayo futhi HDEP yihigh-density polyethylene. Iinkxaso zokugcinwa kwezicathulo ezininzi zezilungu lapho zizama ukuba zikhululekile nokubekwa. LEDP iyiphakamiso esiqalelwe yesikhwama esebenzisa ukuba ngaphandle kokubekwa kunye nokuphucukelela. Ngakho LEDP isenzo esethathweni sokuqinisekisa okunene okanye ukusuka. Ngaphezu kwesinye, i-HDEP iyisikhwama esingasetyenziswa ngendlela elineyini okanye elibekwe njengoba lokhu olukhangelela ukuba ngenxa yalokho kukhona indlela yokuthi i-HDEP inoma kunye nokuba ngaphansi kakhulu. Lokhu kuxoxa ukuthi i-HDEP iyiphakamiso lokuhlala emva kokuthi izinto zibe ngemvume kunye nokuziphatha.
Ngakho ke futhi uya kuhlala nge- LDPE plastic. U-LDPE uyinye yemigca esetshenziswayo okunye nothetho oluphezulu lokugcina amagama. Ngokubanzi, lisebenzisa ukuvamile amabhedi, iimayili nezinto eziningi zokugcina. Yonke le nto ngaphezu kwaloo matriyeliyo LDPE nguwo wokuqinisekiswa ukuba ubudabuko bawo ushishayelene kunye nokukhangelwa ngempela ngaphandle kokuhlela. Ngokulandelayo, yilungu lolu hlobo lokugcina lomncedo ngoba iibhedi ze-LDPE zinakwazi ukususa phakathi kwabo ukuvamile eliphakathini. Phinda udibanisa ukuba amagrodi akho amaphakathi angenziwe ngaphambili—kuneenkululeko emfunyaneni ukuba okungenani lombhalo ibhedi bezihlabelewe ezi zingcinwe ngokuthi zizifanayo ne-LDPE!
Lamanye amaplastik ahlukile amaphrofesi kunye namagqumelela. Amaphrofesi kaLDPE Iyishayamile kulula kunye neHDPE, sosho siyisebenzisa kumanye amandla. Iyinani elula yokuthenga ukwenza lokhu lokuthola, okulula ukufinyelela imali kumanye amaxhobo. Futhi, iLDPE iyakwazwa ukubuyiselwa! Lolu hlobo lokuthi xa sifundisele usebenziso, isetshenziswa futhi ukuze lichaswe njengemithombo emisha ngaphandle kokuba akutshutshwe.
Kodwa, i-LDPE ineyiphi amanqaku okanye. Ukuthi kungapheli kakhulu phakathi kwesi-HDPE yinto elikhulu lokuhlola. Lento ingalime ukuthi i-LDPE lingaqondile ngokubanzi ukusuka noma ukuphuma, okuningi alikho kuhle phakathi kwezinto zidluleyo ezidinga ukuba zisisekelwe. Futhi, i-LDPE lichasibiwe, kodwa alingayibuyiselwa ngeminyaka. Ngokusho xa le plastic lihambisana ngenqanawe, licabanga leli sicwangciso sikhulu ukuthi libe ngeminyaka emangathu, futhi emangathu wokuqala ukufika, lokhu akuyinkulunkulu lomhlaba.
Ngaphezulu, i-HDPE iyenziwa ngezinto ezinomsindo kunye nezindawo ezincedwe. Yinto engamadoda njengesihlalo esiqhelekileyo, okanye lokunyuzelwe ngokukhona, okuningi alithathe izilwanyana noma asiphume. Ngoba i-HDPE isiqhelekile kakhulu, kunjalo siyazi ukuthi imibuyiselwano yesintsho kunye nokuvavanyiswa kwe-UV, kusebenzisa kakhulu kwindawo yokugcina phandle komhlaba, njengemibuyiselwano yezigamelelo kunye nemibhokisi yezinto eziphumayo. Le sisindo sikhethekileyo ngokuthi zinto zakwesi-HDPE zizofika izolo elikhulu, futhi xa zisebenzela phandle komhlaba.
Izilungiso zesi-LDPE ne-HDPE zakuphela izindawo eziningi. Ukusetyenziswa kwe-LDPE kukhonjwa ngokushesha, ukufinyelela kunye nesibhedlela esikhona emuva lokuthi kuyisingisekelo esingabonakali sokugcina. Ukusetha kwezindlela eziningi yayingezantsi yokuba kubekwe ngokukhulu kwindawo eziyisigaba esingasihlanganisiweyo. Kwiqhobo lapho kusetyenziswa ngokubanzi, ngisho, apho isebenza njengemfihlakalo okusebenza ngokwesibhedlela sokunquma ukuvamisa umoya okungavumelekhaya ekhaya.
Ngaphezulu, i-HDPE yikupheli kunye nokuphucumana komphakathi. Kusetshenziswa ngokubanzi kuzindawo ezidinga uphucumana oluhle okanye indlela yokulula. Kwinqubo lemfihlakalo, i-HDPE kusetshenziswa ngokubanzi kuzindawo amaqhutywa wokugcwalisa amaxhobo, amageotextiles kunye nemivinile yisayidi. [Kusho: Iziphi Izilayithi Zesihlanu LabaBantwana Bese Luhlaza Ngokubanzi Okungenzi Ukudla Ngenqanawe ] Amaxhobo amaningi akudinga ukusuka kakhulu ukusukekula ngezinye izinto nokulandelayo.
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