Lezi zimbobo ze-aluminium ezingama-20mm crimp zivame ukwenziwa nge-aluminium, okuyinsimbi engaviki engashintshi futhi engazweli. I-Aluminium ihlinzeka ngezakhiwo ezinhle kakhulu zokubopha, iqinisekisa ubuqotho besampula ngaphakathi kwe-vial. I-Cap ifaka umklamo we-crimp top, okusho ukuthi ingafakwa ngokuphephile ku-vial ngokusebenzisa ithuluzi elikhohlisayo. Le nqubo ifaka ukugoqa i-cap ezungeze intamo ye-vial, yakha uphawu oluvikelekile nolubonakalayo. Idizayini enomgodi we-9.5mm enkabeni yesembozo ingasetshenziselwa ukuhlaziya kwe-headSpace. Amabhodlela wesampula ajwayelekile we-GC kanye ne-HPLC angasetshenziselwa i-autosampler kanye nesitoreji sesampula. I-20mm crimp top aluminium caps ivame ukuza ngemibala ehlukahlukene, engasiza ekuboneni okuyisampula, inhlangano, noma umehluko wemikhiqizo noma izixazululo ezihlukile.