Caps, Headspace, Crimp Top, with White Silicone Rubber / Natural Beige PTFE Septa, fitted in Aluminum, Silver Caps with 10mm center holes. For use with 20mm Crimp Top Headspace Vials. BASIK Brand. 100/PK.
Silicone Rubber / PTFE with Durometer of 45 Shore A, (hardness) and 3.0mm thick. The lower Durometer means that this is a softer Septa and therefore better for easier penetrations by autosampler needles. Wide temperature range from -60⁰ to 200⁰C.
Low cost and one of our Most Popular Headspace cap.