Pre-slit Crimp-Top hula tare da butyl \ / PTFE Silicone GC Vepta ana yawanci amfani dashi a cikin aikace-aikacen Chromatography aikace-aikacen Gas don samar da ingantaccen vials.
Wadannan septa ana haɗa su ne na yadudduka uku: wani yanki mai ban sha'awa, ptfe (polfeTrafluorethylene) tsakiyar silicone.
A lokacin da sayan SEPTA, yana da mahimmanci don tabbatar da cewa sun dace da takamaiman abubuwan gc vials da kayan kida.