Caps, Headspace, Crimp Top, with Natural Silicone Rubber / Foil (125mil), High Purity Septa, fitted in Steel, Magnetic, Gold Caps with 5mm center holes. For use with 20mm Crimp Top Headspace Vials. BASIK Brand. 100/PK.
Silicone Rubber / Aluminum Foil (125mil thick) Silver Septa with Durometer of 50 Shore A, (hardness) and 3.0mm thick is good for high temperature analyses. No color has been added to this Septa. Often used with Perkin Elmer Instruments.
Wide temperature range from -60⁰ to 220⁰C.