U-Polyvinyl chloride — engakwaziwa ngoku kakhulu njenge-PVC — yi-plastic yonke leyo sifuna ngaso kwindawo ezininzi ezinikezayo kulesi sikhathi sasemvume. I-PVC yi-material enkosi eyenza imigomo yesikhashana esikhatsini sabantwana kunye nemibhali. Ngithanda ukuba ufune ukuba ngiyazi ukuthi i-PVC iyishintshwa ngaphandle kokuthi siyazi ukuthi i-PVC ifumanekile, ingxenye yakhe yokuziphatha, umthetho omtsha, amagunya amandleni, amalawulo amandla abasebenzisi kunye nokulungiselela izilimi zabo zakukhona kwindawo yokushintsha, ngakwesobizo.
Ukubuyisela i-resin ngokwemvume yileyo le nto yokuqala yokuthiwa iPVC. I-resin ingaphakathi kwezifragmente ezincinci ezinamagama amahhadi amonophandle, i-vinyl chloride monomers. Lemiphawuli yihambelela noma ngazo zicala ezilandelayo ukufika kwi-liquid. Leli liquid uyathintelelwa, uyacwangciswa kunye nokubuyiselwa kwi-polymer. Ipolymer iyinkqubo enkulu yenkonzo ezimbini ezitholakala kwi-PVC ukuze libe lusungululwano kunye nokuphethelwa. Ngokuqalekele ipolymer, u-extrusion kunye no-injection-molding niyimibhalo eminingi apho inayithiwe ngayo umsebenzi wokuqala.
Ngokukho kuhluke kukho ukuthi i-PVC iyiphakamiswa ngokubona, ukusebenziswa kwakhiwo kunikeza isikhathami sohlola kusintu. Isikhathami sokuqala sokuthi sikwenze umsebenzi wamakhemikali amaninzi okugcinweyo. Izikhathami zakho zingabhekisele amagumbi nokulula nokulindela, uzokususa izilimi zezilwandle nokulindela, ukuze zizipheleleyo izalukhanyo nezilwandle. Ngokusebenzela le nto, abasebenzisi be-PVC bakwazi ukusebenzisa amakhemikali amancane, ukurholwa kwe-PVC, nokusetshentlhalo lwesintu.
Kunezinto eziningi elithuthelwe kwi-pvc manufacturing ngamaxesha omtsha ongathintela ukuba ulwandle lwesimo lokuhlola kwaye liphakeme phakathi kwehlathi. Ukubuyiswa okukhulu kulabo amacalatala kunye neziqhaza zokugcinwa ezinethemba ukuphawula i-PVC ngaphandle kwe-energi yenye kunye nemibhalo yezinto ezikhona. Ngokugcineneyo, umthombo wokuhlanganisa olusekiselelo lolunyuselwe uqhubeka nokugcina imiphumela ye-PVC, okungathintela ukulandelayo kwesayinti esizenzakalelayo esihlala kwi-landfil. Lezi zinto zifinyelela indlela yokuthengiswa kokuba i-PVC ngokulandelana nenkonzo yobunzima.
I-PVC yintoni eyayipheleleyo, yayingaphezu-kwindlela, ungenxa yokuba umlando wakwentsha wayehlaba. Kunesi-PVC engazixhashe ngamaxesha eChina, Amerika Ndabaso kunye neJermani ngenxa yalokho. Ngenxa yokuba umlando wakwentsha wenza ukufunda kwe-PVC, izicelo zingazixhasa amanye amagama ukuvumela inqanawa leyo ngokubanzi-banzi ngenxa yokuba ziqhubeka nokugcina ukuthi ziyenziwe ngokulandelana nokuhlola.
Ama-manufacturer ePVC akhonzanga kuhlanganisa ngenkinga yokuziphatha kunye nokulungiselela abantu bayo. Ukuthi baphumelele ukufundiswa kwezisebenzisi ngokubheka amandla, umva wamanzi okanye indlela yokusebenza kumazibuko ezinikezayo, kunye nokuhlala kwenqanawe yamalawulo yokuhlola ukuvimba i-PVC, ukuhlolwa komoya kunye neziqhaza zomgama ezindaweni zokusebenza. Ama-manufacturer ePVC azogcina ukusuka emandleni wezisebenzisi kunye nokulungiselela izindlu zezilimi lokunquma lendlu.
Ikhophi © Richest Group Zonke Iiphalamende Zihlala Kwesibene
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