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Top Headspace Vial ND18, 10-20mL 18mm, Screw Thread

A headspace vial is used in the process of top – gas chromatography. The material of Headspace Vials is low extractable Borosilicate glass with low expansion rate, high-temperature resistance, high strength, high hardness, high light transmittance and high chemical stability. Headspace Vials suitable for headspace analysis of volatile solids and gases.

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18mm Headspace vial feature:

  • 10ml, 20ml clear or Amber precision thread vial
  • with matched 18mm magnetic precision screw metal caps
  • Magnetic screw caps 8mm center hole
  • Septa are blue PTFE sample side; White Silicone outside

Headspace Vial Advantages:

  1. Mainly used in gas chromatography analysis for headspace analysis.
  2.  No risk of incorrectly sealed vials as is the case with crimping
  3.  More convenient to close and open, especially as magnetic crimp caps are very hard to crimp
  4.  Lower coring and protection for the needle due to thinner septa
  5.  Universal use for Headspace and SPME due to thinner septa
  6.  Special pre-cut septa (silicone layer is slitted but PTFE remains intact) for safe penetration of the sensitive SPME phase with hardly any coring


  • Volume: 10ml, 20ml
  • Dimension: 22.5x46mm, 22.5x75mm
  • Color: Amber and Clear
  • Neck: Precision Screw neck
  • Neck Diameter: 18mm
  • Material: B0rosilicate Glass/1st hydrolytic class glass
  • Cap:18mm Magnetic Precision Screw Metal Cap
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