10mm chromatography vial septa exporter UK-Aijiren HPLC Vials 10mm Septa, PTFE virginal, 53° shore D, 0.25mm Product Categories Vials, HPLC & GC Caps Short Description ***Septa 10mm, PTFE • Neck Diameter: 10mm • Septum Thickness: 0.2mm • Hardness/Shore: 53 Subcategory1 HPLC & GC Caps Vial Type / Size 12 x 32mm Vial finish 10mm screw.