Septa Products (27)

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  • MicroLiter 20mm Crimp Top Headspace Vial Septas & Stoppers

    Butyl stoppers can be used when PTFE is not required. Butyl/PTFE septa are an economical choice with low background peaks. Molded PTFE/butyl septa offer the tightest seal of all PTFE items, as well as low background peaks. PTFE/silicone septa are excel

  • Thermogreen® LB-2 Septa, solid discs

    An improved version over the original Thermogreen LB-1 septa. Extremely low bleed over a wide range of inlet temperatures (100 °C to 350 °C) Already conditioned, ready to use Easier needle penetration and high puncture tolerance (ideal for autosamplers) Rubber formulation exclusive to...

  • Septa PTFE Silicone 18-400 Cs144

    DWK Life Sciences (Kimble)

    Excellent for use with open-top caps to access container contents with a syringe Highly chemically resistant PTFE facing maintains integrity of contents Silicone rubber backing allows repeated puncturing through the seal Resists coring Autoclavable Recommended for use in all autosamplers using screw...

  • Septa for VOA Vials

    Thermo Scientific Sun SRi

    22 mm Septa for VOA Vials PTFE/Silicone Liner

  • Septa, PTFE/Silicone

    MilliporeSigma

    Feature: temp. limit 250°C

  • Septa, 0.005" PTFE/0.120" Sil

    DWK Life Sciences (Kimble)

    Resists coring and is autoclavable. Recommended for use in all auto samplers using screw thread vials. Great for sample storage. 73818A-24 ( 1213T38) is white PTFE/Tan Silicone and is recommended for use with the 40 mL EPA vial.

  • 11mm Crimp Seals

    National Scientific

    Aluminum seals with pre-inserted septa are compatible with standard opening crimp top vials, wide opening Target LOVial™ crimp top vials and Target Snap-it™ crimp/snap vials.

  • Replacement Septa for Mininert® Valves

    Material: Red Silicone Septa L x O.D.: 0.308 in. x 0.125 in. Legal Information Mininert is a registered trademark of Valco Instruments Co. Inc.

  • Sera-Separa®

    Evergreen Scientific

    For use in removing fibrin and macro particles from serum to prevent line clogging. Users insert the 16 mm flange into the evacuated blood tube and push downward. Graduated barrel tells exactly how much liquid has been filtered. Wide-body style prevents sample probes from hitting side walls.

  • MicroLiter 16mm Septa for Screwthread Headspace Vial Caps

    MicroLiter septa for 16mm Screwthread Headspace Vials are constructed of PTFE, PTFE/butyl, or PTFE/silicone to suit a variety of chromatography applications.

  • Precision Seal® rubber septa cap white, for 5-6 mm O.D. tubes and ampules

    Synonym: rubber caps, rubber stopper, rubber stoppers Usage: for 5-6 mm O.D. tubes and ampules Color:   white General description Engineered for a "push on" fit in NMR tubes and ampules. The unique design provides a penetration point for cannulation and a dual seal inside the tube and...

  • Septa PTFE Silicone 24-400 Cs144

    DWK Life Sciences (Kimble)

    Resists coring and is autoclavable. Recommended for use in all auto samplers using screw thread vials. Great for sample storage.

  • Septa, tan PTFE/silicone
  • 10-425 Septa

    National Scientific

    PTFE Disk septa are chemically inert PTFE Red Rubber septa are economical for many GC applications PTFE/Silicone septa are most popular for HPLC and IC applications Pre-slit septa are easier to pierce with thin gauge needles

  • 33 mm Septa, Interlock, Butyl Gray

    DWK Life Sciences (Wheaton)

    Septa closure with locking flange for open-top caps. Flat stopper; thin flange Cap size: 33 mm Gray Chlorobutyl/50 septa

  • Headspace Septa and Stoppers

    Thermo Scientific Sun SRi

    Requires the use of 20mm aluminum seals

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