Septa

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  • 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

  • 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.

  • 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…

  • Butyl Gray Headspace Vial Septa

    National Scientific

    For 20 mm vials Temperature range: 40° to 120°C Does not provide PTFE barrier Not suitable for alkalines, benezene, chlorinated solvents or cyclohexane

  • Septa for 20mm Crimp Seals

    MicroLiter

    MicroLiter offers products for both LC and GC applications.

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

    MilliporeSigma

    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…

  • Renewable Gas Purification System

    Agilent Technologies

    The Renewable Gas Purification System from Agilent not only traps large quantities of contaminants and lasts a long time, but it is also recyclable. With average use, you’ll only have to purchase a replacement cartridge once per year or after approximately 20 cylinders’ worth of…

  • 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

  • Septa PTFE Rubber 18-400 Cs144

    DWK Life Sciences (Kimble)

    Low cost, good resealability Polytetrafluoroethylene provides barrier for product contact Red rubber

  • Merlin Microseal

    Agilent Technologies

    Low bleed, longer life alternative to standard septa for split/splitless injection Has a lifetime of more than 2000 injections, depending on samples and operating conditions Reduced instrument downtime for septa changes and injection port liner changes due to septa particulates Two…

  • 16mm Septa

    MicroLiter

  • HT Predrilled Septa

    SGE

    Your chromatography analysis does not end with the selection of the GC column. The combination of components selected for your instrument also make an important contribution to successful separations. Choose SGE technology to improve your chromatography.

  • GP Grade Silicone Septa

    SGE

    Your chromatography analysis does not end with the selection of the GC column. The combination of components selected for your instrument also make an important contribution to successful separations. Choose SGE technology to improve your chromatography.

  • HT Grade BTO Silicone Septa

    SGE

    Your chromatography analysis does not end with the selection of the GC column. The combination of components selected for your instrument also make an important contribution to successful separations. Choose SGE technology to improve your chromatography.

  • 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.

  • 3 Layer Septa

    Hamilton

    Three Layer Septa is made of preconditioned silicone rubber and is 3.81 mm (0.150 in.) thick. The average life of these septa is up to 100 injections with a 26s gauge needle. The maximum operating temperature is 200° C. Preconditioned silicone rubber septa, 3.81 mm (0.15“) thick …

  • 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.

  • Thermogreen® LB-2 Septa, solid discs

    MilliporeSigma

    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…

  • EC Grade Silicone Septa

    SGE

    Your chromatography analysis does not end with the selection of the GC column. The combination of components selected for your instrument also make an important contribution to successful separations. Choose SGE technology to improve your chromatography.

  • MN Grade Silicone Septa

    SGE

    Your chromatography analysis does not end with the selection of the GC column. The combination of components selected for your instrument also make an important contribution to successful separations. Choose SGE technology to improve your chromatography.

  • Headspace Septa and Stoppers

    Thermo Scientific Sun SRi

    Requires the use of 20mm aluminum seals

  • Septa for VOA Vials

    Thermo Scientific Sun SRi

    22 mm Septa for VOA Vials PTFE/Silicone Liner

  • Septa, Low Bleed High Temperature

    Hamilton

    BTO is Bleed and Temperature Optimized for today's most demanding GC and GC/MS applications. Septa BTO is formulated to extend low-bleed and outstanding mechanical properties or premium GC septa to the highest-temperature applications. 3 mm thick. CenterGuide™ design requires less force for…

  • High Temperature Septa

    Hamilton

    High Temperature Septa is made of preconditioned PTFE/silicone rubber and is 3.175 mm (0.125 in.) thick. The average life of these septa is up to 100 injections with a 26s gauge needle. The maximum operating temperature is 212° C. Preconditioned PTFE/silicone rubber septa, 3.175 mm…

  • 9mm Septa

    MicroLiter

    MicroLiter's 9mm screw-thread caps are available in multiple colors and septa types.

  • Septa for crimp caps, N 11

    MACHEREY-NAGEL

    Single septa for 11 mm crimp caps from MACHEREY-NAGEL PTFE virginal: temperature resistant: –200 °C / +260 °C, very high analytical purity, very hard (but very thin material), no resealability Red Rubber / TEF (FEP): temperature resistant: –40 °C / +110 °C, medium…

  • Septa, Long Life GC Autosampler

    Hamilton

    Long injection life, pre-pierced for minimal coring. Maximum temperature 400°C. Long injection life septum typically achieves 400 injections without failure, when used with a rounded-tip (Agilent-style) needle and autosampler or needle guide. Ideal for standard manual-injection GC and GC/MS. 3 mm…

  • Septa, tan PTFE/silicone

    MilliporeSigma

  • Precision Seal red and white rubber septa

    Ace Glass

    Specially engineered to fit standard taper joints and tubes. Manufactured under white room conditions for extreme cleanliness. Made of a more dense rubber, low extractables and a better fit (50% to 80% on joints) these septa are much less likely to fail in the presence of solvents.

  • Headspace Pressure Release Seals

    DWK Life Sciences (Wheaton)

    20 mm crimp closure with liner for headspace vials Score lines allow for internal pressure release Choice of three liner options

  • Aluminum E-Z Seals

    DWK Life Sciences (Wheaton)

    For use with 12 x 32 mm crimp top vials Large target diameter Available in 4 colors Choice of liner

  • Septa for screw caps, N 8

    MACHEREY-NAGEL

    Replacement septa for 8-425 screw caps from MACHEREY-NAGEL PTFE virginal: temperature resistant: –200 °C / +260 °C, very high analytical purity, very hard (but very thin material), no resealability Red Rubber / TEF (FEP): temperature resistant: –40 °C / +110 °C,…

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