Ti iwuwo, ibajẹ, inertness dada, ati \/ tabi awọn idiyele isọnu ti vial gilasi ba kan, vial ti a ṣelọpọ lati polypropylene jẹ yiyan si ero. Awọn anfani ti awọn ohun elo polypropylene pẹlu awọn oṣuwọn isediwon kekere, ibamu pẹlu ọpọlọpọ awọn olomi, apẹrẹ fun ṣiṣẹ pẹlu awọn ọlọjẹ, apẹrẹ fun awọn ohun elo chromatography ion, ti o dara julọ fun ipamọ apẹẹrẹ pH-sensitive, ati imukuro nilo fun awọn ifibọ lakoko microsampling.