I-15-425 i-screw ye-PP ye-PP ye-PP ye-15mm yangaphandle, okuthetha ukuba iyahambelana nee-vials ezinobungakanani bentamo ehambelanayo kunye nentambo. Ezi zekhephu zihlala zenziwa kwizinto eziphezulu eziphezulu ezinjenge-polypropylene. Ezi caphu ze-polypropylene zineempawu ezigqwesileyo kwaye zinike ukungavisisani kweekhemikhali ezifanelekileyo kubandakanya i-acids, ilokishi, ialkalis, iimveliso ezizezinye, kunye neoyile yasezindlu. I-Polyproplene Hole Caps iyaziwa ngamandla amahle, ukusebenza ngeendleko, kunye nebala.
Ii-vials zesampulu yesampulu, ekwabizwa ngokuba ziibhotile zokugcina iikhemikhali, iibhotile ezingaphantsi komhlaba, zilungele imichiza ephezulu, i-cosmetics, i-oyiles, i-oils, i-oils, i-oils, i-oyile yexesha elide kunye nokuhamba kweemveliso.