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.