Butyl Stopper

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Butyl Stopper
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  • Butyl Rubber Stoppers with Caps PK/1000

  • Butyl Rubber Stoppers create a gas-tight seal for improved stability.

  • Synonyms: rubber stopper; stopper

  • Stopper, Butyl, Gray, 20mm

    West Pharmaceutical Services

  • Designed for aluminum seal finish vials Two-leg style reduces possibility of legs sticking together Gray high grade butyl rubber, lyophilization style

  • STOPPER; GREY BUTYL; NO SLOT; 20 mm

    DWK Life Sciences (Kimble)

  • 30 MM STOPPER, ST PLUG (16X30) GRY BUTYL

    DWK Life Sciences (Wheaton)

  • Lypholization-Slotted Rubber Stopper

    DWK Life Sciences (Wheaton)

    Plug diameter 7 mm i.d., 13 mm o.d. Of gray butyl rubber, slotted with flanged top; partial insertion leaves bottle contents vented for freeze drying; insertion to flange seals bottle Readily punctured with syringe needle For use with Thomas series 8269A Aluminum Seals.

  • NMR Stoppers

    Plasticoid

    …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: EPDM, Nitrile, Neoprene, Silicone and Viton®

  • SUPELCO Stoppers

    MilliporeSigma

    gray butyl rubber, diam. 20 mm, pkg of 100 ea Synonym(s): PK100 20MM BUTYL SEPTA Amino Acid Sequence: Empirical Formula: Formula Weight: Linear Formula: Purity: Boiling Point: Melting Point: Density: Refractive Index: Storage: Beilstein…

  • Serum Bottle Stoppers

    DWK Life Sciences (Wheaton)

    Available in Natural red rubber, gray butyl and Teflon® coated butyl 7, 13 and 20 mm sizes Stoppers come in a variety of elastomer formulations. Natural rubber is a general-purpose elastomer used primarily for aqueous liquid fill products in the 4.0-7.5 pH range. Its resealability is…

  • …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: EPDM, Nitrile, Neoprene, Silicone and Viton®

  • Gray Chlorobutyl Straight-Sided Stoppers

    DWK Life Sciences (Kimble)

    These high quality gray chlorobutyl stoppers are used for research and pharmaceutical packaging applications. Universal gray chlorobutyl formulation passes Japanese, European and United States pharmacopeia testing for globally marketed pharmaceutical products Formulation contains no…

  • 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

  • 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

  • 20 MM STPR, 3 LEG LYO THN FLG, BUTYL GRY

    DWK Life Sciences (Wheaton)

  • 28MM STPR, 2 LEG LYO (20X28) BUTYL GRY

    DWK Life Sciences (Wheaton)

  • Depyrogenated Sterile Empty Vials

    EP Scientific Products

    …& Pyrogen Test included with each lot. Sterile vials are Type I borosilicate, assembled with butyl stoppers and aluminum seals. Type 1 Borosilicate glass Assembled wiht butyl stoppers and aluminum seals Suitable for uses where aseptic protocol is required Certificate of…

  • 20 MM STPR,SNAP-ON(13X20)GRY BUTYL,SILZD

    DWK Life Sciences (Wheaton)

  • Center hole caps, N 20

    MACHEREY-NAGEL

    …than 3 bars Butyl / PTFE septa for routine analyses; for more demanding analyses and for high temperatures: high purity silicone / PTFE septa Molded Butyl/PTFE septa with an only centrically laminated PTFE layer for excellent sealing on the glass rims Pure grey Butyl stopper 702931 for…

  • Tear off caps, N 20

    MACHEREY-NAGEL

    …than 3 bars Butyl / PTFE septa for routine analyses; for more demanding analyses and for high temperatures: high purity silicone / PTFE septa Molded Butyl/PTFE septa with an only centrically laminated PTFE layer for excellent sealing on the glass rims Pure grey Butyl stopper 702931 for…

  • …than 3 bars Butyl / PTFE septa for routine analyses; for more demanding analyses and for high temperatures: high purity silicone / PTFE septa Molded Butyl/PTFE septa with an only centrically laminated PTFE layer for excellent sealing on the glass rims Pure grey Butyl stopper 702931 for…

  • …of any desired strength solution without exposure. Packaging 1 g in serum bottle Packaged in a 100 mL serum bottle with butyl rubber stopper and aluminum tear seal. Reconstitution Dissolving the contents in 100 mL of solvent yields a 1% solution. Biochem/physiol…

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