Ufuna ukwazi, amaxesha aqondwe njenge-PE, PP noma PVC? Le ni zinezinye ezimbili ezindala zophetha esethwelene kakhulu ngemibhalo yeziningi esebenziswayo kulesi sikhathi. Umshado oluhlaza lwendlela elithi polyethylene, umnyama wendlela elithi polypropylene, kunye nomhlophe wendlela elithi polyvinyl chloride. Ngokubona kakhulu lokhu kungani le amaxesha, sizakwazi ukulanda kumngako wemibhalo esebenzisayo kunye nokuthi baphakathi bazo ngezindlela zethu.
Manje sesiqondile izindlela zakho zezi amaxesha, hayi siyabelana ngenkinga ekupheleni. I-polyethylene (PE) yi-phetha emnandi kunye nemveliso. Lokhu kukhole kuqhubeka kunye nokukhishwa ngaphandle kokucabanga. Ngalokho, siphethisela i-PE ukuze sihlanganise amabhata omncane kunye nokugcina imibhalo yokudla ngoba kuhluke kunye nokuba kusenze kuhle ukutshukuka. Ngaphezu kwesinye, i-PP yi-phetha engcono kakhulu. Yinkampaniyo kakhulu, ngakho akufuneka akhishwe ngempawu. Sihlanganisa i-PP ngemibhalo okanye amacandelo wemibhalo yokudla kunye nezicapu zembotyi, apho igcino lokho libonakale kakhulu. Phambi kokufanele, sifunda i-PVC, eyingca kunye nenkampaniyo kakhulu. Lokhu kungaba i-PVC isebenzisa yini njengamaphipha amanzini kunye nezimpawu zewindoyi ezincedisiwe ukuthi azibonele amandla.
Kunezukuphi lalokho amaphlastika akhetha kanye nezihlobo ezifanayo. Bhekelele lokhu ngokwesiphi. Phathisa PE njengoba kungafuthiwe kakhulu kunye nokusetyenziswa. Lolu hlobo lokho kuyinkqubo elithile yamakhiqizo okuqhawekayo. Ngokulandelayo, ayiqinisekisi kama PP noma PVC, yinto eyenza ukuba alingene kuwo amagama ababi. PP, ngaphezulu, kukhangelwe kakhulu kunye nokuhlukaniswa phakathi komoya kunye nemibala. Lokhu kuyinkqubo elithile yokugcina amagama. PE ungafuthiwe ngokubanzi, kodwa lokhu kukhangelwe kakhulu kunye nokuhambisana namandla ekuvunyelweni. Yeminyaka engasishiyi, PVC ingcane kunye nokuhlula kakhulu, lokhu kuyinkqubo elithile lokusebenza kumaphayi noma isikhangiso. Isigaba esidingiweyo nge-PVC noma i-polyvinyl chloride, ngokushesha, uma kuziphakamiswa noma kuzitshabalalwa, uzame ukufumana imibala emkhulu ezingazange zikhulisane nendlela yobucabango.
i-PE, i-PP kunye ne-PVC zisebenzeka kwisigaba esingabangakuhlu ngezindawo eziningi nokusebenza. Ngakho ke, amagcinisi azisebenzisa i-PE, ngokubanzi, ukugcina uphawu lomncedi, amabhendi abuyelekile kunye nesiwo sethu siyaziyo sishayela ngaphandle kokuthi sibuyelele. Ukudla lokunye ukuhlala kakhulu ngokushesha kungafanele ukuba kuhluleke kumashini angaphambili. i-PP isebenza kakhulu kusendaweni yokuthuthukisa, izintambo zokugcina umculo kunye nokuphawula. Okungakho kungukho yinto ingasetyenziswa ngokwesikhathu kunye nokufika kwezinye izinto. i-PVC isebenza kwi-paisi zokuthatha amanzi, i-frimez work ikhwalela indlela kunye nemvume osebenza kakhulu. Izimo ezidingekayo zeplastiki zihlukanisa izinto eziphawulayo ezinethemba lokuba lento lenjalo.
Ngaphi kakhulu ukubuyisela kuyinto esikhangelwe ngokwesiphumo sethu. Kungakho nto yokugcina udlu noma ukususa isithuthi. Ngokulandelani, wonke umsindo wokuqala olunye othile luchasene! Ukubuyisela i-PE, kufuneka uhlale inhliziyo yakhe kungene amaxesha amahlula: imithombo enkunzi, amagumbi ekhaya. Lento lengekuqinisekisi lokusebenzisa uphawu oluhlu lunye. Sifuna futhi ukusetshenziswa kwe-PP ukubuyisela ukususa inhliziyo yakhe kungene amaxesha amahlula njengemibhalo yamashumi neentoyiziyi. Lokhu kuhluphekise ukuba izinhlobo zingabikwa ezindleni zomoya. I-PVC lingachasene ngenkathi ilihlale inhliziyo yakhe kunene emanzini okanye indaweni zokugcina amaxesha.
Kungakho kuphela, ukubuyisela lezi zintuthu zingacabanga udlu kunye nezilimo ezijikeleza. Ngenxa yalokho, ngenxa yesikhashana sethu: Yuezheng siyafokuzela ukuthi sitholela ukukhangelisa isikhatsi esikhulu. Umthetho wethu kulandela ukubuyisela lezi zintuthu nokusetshenziswa kumaxesha amahlula, okudinga ukususa isithuthi kunye nokuthatha isenzo esikhatsi sethu.
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