20ml screw or crimp GC vial, headspace vial for manufacturer

20ml screw or crimp GC vial, headspace vial for manufacturer

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 a screw-thread finish. Headspace vials, septum, and caps can be purchased in various quantities separately or together as convenience kits to fit your laboratory needs.

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Headspace Vial Features

  •  The sample is available on site Transfer, no need to transfer samples in the laboratory.
  • The precise screw thread ensures the air tightness between the vial and the cap.
  • The magnetic screw cap can be widely used in various SPME and headspace analysis.
  • The round bottom vial is stronger, has higher pressure tolerance when the sample bottle is heated, and is easier to slide into the heating hole.


  • Volume: 20ml
  • Dimension: 22.5x75mm
  • Color: Amber and Clear
  • Neck: Precision Screw neck/Crimp neck
  • Neck Diameter: 18mm/20mm
  • Bottom: Flat Bottom or Round Bottom
  • Material: Brosilicate Glass/1st hydrolytic class glass
  • Cap:18mm/20mm Magnetic Precision Aluminum Metal Cap


Material: USP1, Borosilicate Glass Box packaged to minimize sample bottle damage. Manufactured under strict quality, which ensures dimensional consistency from lot-to-lot Suitable for headspace analysis of volatile solids and gases. Store volatile samples to prevent sample evaporation High-temperature resistance and corrosion resistance Mainly used in gas chromatography analysis for headspace analysis.
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