18mm septa use only the highest quality materials to ensure proper function, specifically for GC applications, ensuring the septum does not fall into the vial during sample injection.
The Cap and Septas for 20mm Headspace Vial are essential components designed for secure sealing and reliable analysis in headspace sampling applications. The cap provides a tight closure, while the septa acts as a barrier, preventing contamination and maintaining sample integrity. This product is specifically designed to fit 20mm headspace vials, ensuring a seamless and effective sealing solution.
20ml precision screw headspace vial, 18mm, round bottom, top space vial, strong adsorption. Headspace vials are manufactured to provide uniform glass thickness which insures even heat distribution for consistent sampling reliability.