Septa, 20mm, Headspace, Blue Silicone Rubber completely laminated with Transparent PTFE, for 20mm Crimp Caps, MicroSolv Brand, 1000 pc/PAK

Septa, 20mm, Headspace, Blue Silicone Rubber completely laminated with Transparent PTFE. For use in 20mm Crimp Caps, sold separately. MicroSolv Brand. Additional Info: Silicone Rubber with Durometer of 45 Shore A, (hardness) and 3.0mm thick. Completely laminated with Ultra Clean PTFE on both sides of the Septa 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.