Pierceable closure membranes of various thicknesses and colors designed to create a penetrable seal for autosampler vials. Septa come in a variety of material compositions suited for specific chromatography applications. Pre-slit formats are available.
For use with 13-425 threaded caps or 13mm Snap/Crimp Caps, Thermo Scientific™ 13mm Septa are available in PTFE/ Red Rubber, PTFE/Silicone or Red PTFE/White Silicone/Red PTFE to suit a variety of applications.
For a highly inert and unreactive seal use Thermo Scientific™ PTFE/Rubber Laminated Discs. Constructed of white pharmaceutical rubber with 5 mils of PTFE coating bonded to one side, they are excellent for use as cap liners when a highly inert nonreactive seal is desired.
Ensure air-tight, inert seals with autoclavable Thermo Scientific™ PTFE/Silicone Discs. They are specifically designed to combine the resealability of silicone with the inertness of PTFE. These discs reseal instantly puncture after puncture, and the PTFE coating is structurally bonded so that no...
Thermo Scientific™ 9mm Septa are available in PTFE/ Red Rubber, PTFE/Silicone or Red PTFE/White Silicone/Red PTFE to suit a variety of applications. Choose from Thermo Scientific™, Thermo Scientific™ National™, and Thermo Scientific™ Chromacol™ brands.
Thermo Scientific™ Septa for 8-425 Screw Thread Caps are constructed of PTFE, PTFE/rubber, or PTFE/silicone to suit a variety of HPLC, GC and IC applications. Choose from Thermo Scientific™, Thermo Scientific™ National™, and Thermo Scientific™ Chromacol™ brands.
Replace your worn-out septa with Thermo Scientific™ SureSTART™ 22 mm Septa (Level 2). Select Level 2 products for high-throughput applications, when robustness and reproducibility are key. Choose our all-purpose silicone/PTFE septa manufactured with a shore value of 50 to reduce autosampler needle...
Replace your worn out septa with Thermo Scientific™ SureSTART™ 20 mm Septa (Level 2). Select Level 2 products for high throughput applications, when robustness and reproducibility are key. Choose from various pack sizes of silicone/PTFE or butyl/PTFE septa manufactured with shore values of 45 and 50...