20ml Headspace Vials

20mm Aluminum Crimp Cap Seals and Vials ensure that a proper seal is made for this demanding application 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. Caps are made of high quality laquered aluminum, 0.010" thick Cap colors are available in silver only Many septa options are available and use only the highest quality materials to ensure proper function and can be pre-slit to ease needle penetration 0.120" Natural Silicone with 0.005" Natural PTFE. Designed for highly demanding volatile analyses (Headspace) up to a maximum of 200C High quality silicone compounds are used to ensure proper re-sealing and reduced chances of coring Septa is pre-conditioned to ensure low bleed (see technical info) Absence of pigments eliminates additional sources of contamination (see technical info)