I-PolyPropylene imelana namakhemikhali kanye nezinto ezibonakalayo zokuzikhethela zamasampula abucayi be-PH abucayi, ukuhlaziya kwe-sodium noma okusindayo kwensimbi.
Lezi zimbobo ze-polypropylene zinezimpawu ezinhle kakhulu zokubopha uphawu futhi zinikeze ukumelana kahle kwamakhemikhali kufaka phakathi ama-acid, ama-alcohols, i-alkali, imikhiqizo enamanzi, izimonyo kanye namafutha asekhaya. I-PolyPropylene Hole CAPS yaziwa ngamandla amahle wethonya, ukusebenza kwezindleko, kanye nokufakwa.
Izinto ze-PP ezimnyama ezinomklamo wokuvuza Isakhiwo esingenasisekelo se-SEPTA sivimbela ukungcoliswa kwesampula. Ifanela ama-vials ajwayelekile we-4ml.