20 MM Aluminium Caps With PTFE Septa

Caps/septa, crimp, headspace, 20 mm, silver aluminum cap, blue PTFE/white silicone septa, certified, 100/pk . These 20 mm silver aluminum crimp caps come in 100/pks and include a septum made from PTFE/silicone septum. This combination is best suited to headspace applications. This particular version is the most-widely used design for Headspace applications. It is compatible for both 10 mL and 20 mL headspace vials. While it is the most common option for Headspace applications the cap is made from aluminium and is not magnetic, thus, is not compatible with magnetic-lifting autosamplers. It is also compatible across all non-magnetic-lifting headspace autosampler brands.