Aijiren 18mm 20ml Screw Headspace Vial is a high-quality laboratory glassware designed for gas chromatography analysis, featuring a robust round bottom for withstanding high pressures during heating and a precision screw-thread closure for secure sealing.
The material of 20ml amber vials is low extractable Borosilicate glass with low expansion rate, high-temperature resistance, high strength, high hardness, high light transmittance, and high chemical stability.