Chromatography Vials, Caps, Septa & Inserts, Tubes, Crimper,
2020/5/12 · The characteristics of crimp top GC Headspace Vial are determined by special material.Crimp top GC Headspace Vial has flat bottom and round bottom. The same raw material of crimp top GC Headspace Vial , choose round bottom GC Headspace Vial or flat bottom GC Headspace Vial that depend on your GC instrument. 10ml, 20ml crimp flat bottom and round bottom GC