Njengenye yezinto ezijwayelekile zepulasitiki, i-PP (i-polypropylene) inomphumela omkhulu kanye nenani eliphansi.Ngesikhathi esifanayo, inezakhiwo ezinhle kakhulu ezibanzi, ukuzinza okuhle kwamakhemikhali, kanye nezakhiwo ezinhle zokubumba nokucubungula.Kodwa-ke, ukushiyeka kwe-PP, njengamandla aphansi, izinga lokushisa eliphansi ...
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