Does not come with caps ; Vials Manufactured from clear Type I borosilicate glass and and is resistant to high and low temperatures
ALWSCI use a 20mm beveled edge finish vial reduced the amount of sealing surface between the crimp seal and the glass surface
ALWSCI 10 ml vial size: The diameter is 22.5mm/0.88inch, height is 46mm/1.81inch
A flat bottom might be necessary when vials have to run within the instrument on a slightly downwards tendency and preferred for manual headspace autosamplers
Clear glass vials with 20 mm crimp seal finish are designed to fit most headspace autosamplers. Flat bottom maximizes heating efficiency