PerkinElmer Headspace PTFE-Coated Silicone Rubber Septa, Pkg 1000 - B0104242

Headspace PTFE-Coated Silicone Rubber Septa, Pkg 1000. For sealing sample vials for temperatures up to 210°C. Low background peaks, very low permeability, not recommended for repetitive injections from the same vial. Includes aluminum caps and star springs. Note: Due to the patent which PerkinElmer holds on the closures system of the Headspace vials, the caps, septa, and star springs cannot be sold separately.(includes patented pressure-relief crimp cap and star springs).