20ml Clear Crimp-Top Headspace Vial, Round Bottom, 22.8*75mm, 5.0 Type, STE-Mart (CAT#: STEM-CACC-0222-LC)

Crimp-Top Headspace Vial provided by STE-Mart is made of low extractable Borosilicate glass with low expansion rate, high-temperature resistance, high strength, high hardness, high light transmittance and high chemical stability. Caps are made of 0.010" thick laquered aluminum and with pre-conditioned septa made of 0.120" Natural Silicone with 0.005" Natural PTFE. These headspace vials are manufactured to provide uniform glass thickness which insures even heat distribution for consistent sampling reliability.

Volume: 20ml
Dimension: 22.8*75mm
Color: Clear
Neck: Crimp
Neck Diameter: 20mm
Bottom: Round Bottom
Material: Brosilicate Glass
Cap: 20mm Aluminum Cap

Write-in patch for sample identification
Free of pigments to avoid contamination
High quality silicone to ensure proper re-sealing and reduced chances of coring
Septa can be pre-slit to ease needle penetration