Septa, 20mm, Headspace, White Silicone Rubber / Beige PTFE, for use in 20mm Crimp Caps, MicroSolv Brand, 1000 pc/PAK

Septa, 20mm, Headspace, White Silicone Rubber / Beige PTFE. For use in 20mm Crimp Caps, sold separately. MicroSolv Brand. Additional Info: Silicone Rubber / PTFE Septa with Durometer of 45 Shore A, (hardness) and 3.0mm thick with Ultra Clean PTFE which is good for sensitive analyses. 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. Use in Aluminum or Steel Crimp Caps for Headspace autosamplers.