18mm 10ml Screw Headspace Vials are glass vials designed for laboratories. They are made of USP1 borosilicate glass and are resistant to high temperatures and corrosion. These vials are suitable for headspace analysis of volatile solids and gases, can store volatile samples to prevent sample evaporation.
20ml crimp top headspace vials are available in clear or amber glass with a round or flat base, a crimp seal with a beveled or square edge finish, or with a screw-thread finish.
amber 20ml crimp top GC vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and include a write-in patch for sample identification. Both flat and rounded bottom vials are available.