Rubber Septa

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Rubber Septa
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  • Sleeve Stoppers & Plugs

    Plasticoid

    …tubing with a sleeve to pull over neck to create a double seal .Septa area allows insertion of needle, with excellent re-sealing properties for air sensitive chemistry Standard Compounds include Red and White Natural Rubber, Gray Butyl on select sizes Custom Sleeve Stopper Compounds available:…

  • 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 …

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

    MilliporeSigma

    …consistency in all sizes, from lot to lot. Storage Note for Natural Rubber Septa: Store septa in a closed bag out of sunlight to retard blooming, which is the formation of a whitish film on the surface of the rubber. Blooming is a natural process and does not affect performance. Remove…

  • 11 mm Poly Crimp Seals, PTFE/Red Rubber Septa

    J.G. Finneran

    …during crimping or decapping Plastic cap can be crimped using a crimping tool or attached by hand permitting an airtight seal by either method. The Poly Crimp seal aligns itself on the vial neck ensuring a consistent seal. Design holds the septa in place and eliminates dropped septa.

  • Septa

    Agilent Technologies

    For wide opening vials For use with screw caps Also called “red rubber”

  • Flask Reaction, Hi-Vac Valve NO-AIR

    Ace Glass

    Round bottom borosilicate glass flask with standard taper center neck and a 0-4 Hi-Vac valve for precise control. Flask is ideal for simple NO-AIR and vacuum applications. Outlet arm is 8MM and can be fitted with a rubber septa for insertion of samples or additives via syringe.

  • 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 …

  • NMR Stoppers

    Plasticoid

    …tubing with a sleeve to pull over neck to create a double seal .Septa area allows insertion of needle, with excellent re-sealing properties for air sensitive chemistry Standard Compounds include Red and White Natural Rubber, Gray Butyl on select sizes Custom Sleeve Stopper Compounds available:…

  • Crimp Seals with Septa

    National Scientific

    11 mm 2695B50, B53, B55 and B57 are made of the highest quality, medium durometer red rubber with a thin (0.015") layer of clear PTFE. Offers moderate resealability and excellent chemical inertness. Not recommended for multiple injections or holding samples for further analysis. 1230W36 is…

  • Thermogreen® LB-2 Septa, solid discs diam. 11.0 mm ( 7/16 in.)

    MilliporeSigma

    …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 Supelco …

  • 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

  • 8-425 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 24-400 Cs144

    DWK Life Sciences (Kimble)

  • Flask, Round Bottom, Two Necks, Side Port, NO-AIR

    Ace Glass

    Round bottom, borosilicate flask with two necks and a side port with either a 2mm glass stopcock or a 0-3 Inlet valve. Excellent flask for reactions and NO-AIR or vacuum applications. Side port is available with either a 2mm glass stopcock or a 0-3 Inlet valve with 8mm end for use of a rubber septa.

  • High Temperature Septa

    Hamilton

    …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 (0.125")…

  • 20 mm Septa, PTFE / Red Rub

    DWK Life Sciences (Wheaton)

  • Septa PTFE Rubber 18-400 Cs144

    DWK Life Sciences (Kimble)

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

  • Septa PTFE Silicone 18-400 Cs144

    DWK Life Sciences (Kimble)

    …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 thread…

  • 11 mm Silver Aluminum Seals With Septa

    National Scientific

    …Crimp Seals provide a secure, leak-resistant seal that you can count on. Clear PTFE/NSC Silicone Septa Silver Aluminum Seal Anodized aluminum seals fit all 11mm crimp-top vials Seal 2000™ material is specially formulated for improved background performance over PTFE/red rubber

  • Precision Rubber Septa Caps

    Wilmad LabGlass

    …for absolute consistency in all sizes, from lot to lot. Storage Store septa in a closed bag out of sunlight to retard blooming, which is the formation of a whitish film on the surface of the rubber. Blooming is a natural process and does not affect performance. Remove visible bloom…

  • Thomas Screw Cap Septum Vials

    Thomas®

    CLEARANCE! 50% OFF! Original Price: $36.36 Tuf-bond Septa   Thickness: 100 mils Of silicone rubber with PTFE facing 10 mils thick Septa of butyl rubber, silicone rubber or rubber-laminated PTFE are available on special order. Septum diameter indicated…

  • Gas Sampling Bulbs, 250cc

    Bel-Art Products

    …recommended pressure is 15 psi 1207Y48 has 4mm straight bore stopcock on one end and silicone rubber septum mounted in screw fitting on the other end. Septum can withstand several injections. 6 septa included. Overall length 29cm (11-15/16") 0211F02 has 4mm straight bore stopcock on each…

  • 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.

  • Septa, Rubber

    Ace Glass

    Septa tops are flanged with a sleeve-like extension that folds down over the vessel's neck. Punctured diaphragm re-seals after syringe is withdrawn. Septa are supplied in a variety of sizes, red, white or grey rubber.

  • 13mm Septa For Screw Thread Vials

    National Scientific

    PTFE Disk septa are inert chemically inert PFTE 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 20-400 Cs144

    DWK Life Sciences (Kimble)

  • Adapter, Claisen, Threaded

    Ace Glass

    …joints externally threaded for an O-RING-CAP-SEAL connection with mating male joints. Supplied with two threaded caps with hole, two PTFE-faced silicone rubber septa and two O-Rings. For replacement caps, see 9590-45, -46, -47; for septa, see 8787-41, -42, -43; for O-Rings, see 7855-705, -706, -720.

  • Septa, white rubber, for 14/20 joints

    Ace Glass

  • Sleeve Stopper Septa

    MilliporeSigma

    …or from FKM rubber for high chemical resistance. Natural rubber septa are available in red and white colors and a soft rubber formulation that contains no fillers or coloring agents for super tactility and easy manipulation. Storage Note for Natural Rubber Septa: Store septa in a closed bag…

  • 9mm Caps with FEP/Natural Rubber Septa

    MicroLiter

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

  • 11mm Crimp Seals (with Natural Rubber Septa)

    MicroLiter

    MicroLiter offers products for both LC and GC applications.

  • 9mm Vial Assembled Kits (with FEP/Natural Rubber Septa)

    MicroLiter

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

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