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Njengengxenye ebalulekile yefomula yemikhiqizo eguquguqukayo ye-PVC, i-plasticizer inethonya elikhulu ekusebenzeni kwemikhiqizo eguquguqukayo ye-PVC. Uma imikhiqizo ethambile ye-PVC (amakhethini omnyango wokugcina abandayo we-PVC) kudingeka isetshenziswe emazingeni okushisa aphansi, ama-plasticizer anokumelana okuhle nokushisa kumele akhethwe.
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I-DOP ne-DOTP ziyizinto zokwenziwa kwepulasitiki ezisetshenziswa kabanzi ezisetshenziselwa ukwenza i-PVC ithambe, iguquguquke futhi kube lula ukuyicubungula. Umehluko omkhulu ukwakheka kwazo kwama-molecule: I-DOP, evame ukubhekisela ku-DEHP, iyi-orthophthalate, kuyilapho i-DOTP, ebizwa nangokuthi i-DEHT, iyi-terephthalate futhi ivame ukukhethwa njengenye indlela engeyona i-orthophthalate.