Choose from this selection of chemically inert polypropylene vials that are suitable for most chromatography applications. These 10mm plastic screw thread vials provide an economical alternative to glass for some applications. They are manufactured from high-quality, GC-tested polypropylene material and feature a 10-425 finish. Where levels of inorganic ions have to be kept to an absolute minimum the use of plastics may be preferred to the more conventional glass vials. Choose from Thermo Scientific™, Thermo Scientific™ National™, and Thermo Scientific™ Chromacol™ brands.