headspace vial 20ml crimping septa beveled finish
20ml precision thread headspace vial–Aijiren Vials for HPLC/GC
20ml precision thread headspace vial, 75×22.5mm, clear glass, borosilicate glass, round bottom 18mm combination seal: magnetic univerisal screw cap, silver, centre hole, ptfe/silicone or ptfe/butyl septa
Aijiren Tech 20ml headspace vials factory–Headspace Vials
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 with a screw-thread fi...