Ama-vials wokugcina alungele ukufakwa kwemiphakathi ehlukahlukene yezemithi, amakhemikhali angezwe aphezulu, amakhemikhali amakhemikhali, ama-realogical, ama-expection kanye namafutha okugcina imikhiqizo, futhi enokusebenza okuhle kakhulu kwemikhiqizo.
I-15-425 Black Screw PP Cap ine-15mm yangaphandle yangaphandle, okusho ukuthi iyahambelana nama-vials anosayizi wentamo ohambelana nalo. Lezi zimbobo zivame ukwenziwa ngezinto ezisezingeni eliphakeme ezifana ne-polypropylene. 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.