Stoppers

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  • Silicone Stoppers with Holes

    DWK Life Sciences (Kimble)

    General purpose single-hole silicone rubber stoppers. Steam autoclavable Opaque yellowish-white color Stoppers are manufactured from pure silicone rubber

  • Plug-Type Rubber Sleeve Stoppers

    DWK Life Sciences (Kimble)

    Uses include outgassing NMR tubes, pressure venting or adding reactants via syringe. Hollow, plug-type stopper fits into the neck of the glassware apparatus Sleeve extension fits over the neck for a secure seal Diaphragm can be punctured with a syringe needle Series 774261 may be…

  • KIMAX Brand Joint Stoppers

    DWK Life Sciences (Kimble)

    Borosilicate, with penny head Conforms to ASTM Standard E 675 Size Standard Taper 13 has solid plug; size Standard Taper 38 has recessed bottom Standard Taper designation indicates the approximate diameter of the ground zone at its widest (gauging) point.

  • Stopper

    DWK Life Sciences (Kimble)

    These stoppers are used as an accessory for microscale threaded Standard Taper 14/10 kits. Pennyhead stopper sizes 10/18 through 19/22 are solid borosilicate glass Sizes 24/25 and larger are hollow borosilicate glass Manufactured from 33 expansion, low extractable borosilicate glass…

  • Key-Head Color-Coded Medium Length PTFE Stoppers

    DWK Life Sciences (Kimble)

    Stoppers are used with laboratory glassware such as flasks and separatory funnels. PTFE has excellent chemical resistance and resists freezing in ground glass joints Remove the colored polyethylene handle from the PTFE stopper before cleaning or exposing to temperatures above 80 °C …

  • #12 Silicone Rubber Stoppers

    DWK Life Sciences (Kimble)

    This rubber stopper is an accessory for Kimble 4L flasks 27060-4000, 27065-4000, and 27070-4000, as well as 90mm funnnel 953805-0090.

  • Stopper No. 13 Cs 6

    DWK Life Sciences (Kimble)

    Yellow and blue closed-bottom linear high-density polyethylene stopper to fit in the ground glass neck Enlarged flange on stopper is designed to protect the glass if tipped over Size: 13 Case of 6

  • Stopper 0.75 - 1ml Polyet 00

    DWK Life Sciences (Kimble)

    Plug-style needle closures White Polyethylene Designed for shell vials Economical

  • Stopper 2ml Polyet 00

    DWK Life Sciences (Kimble)

    Plug-style needle closures White Polyethylene Designed for shell vials Economical

  • Glass Pennyhead Stopper, Standard Taper 24/40

    DWK Life Sciences (Kimble)

    Hollow plug type With sealed bottom and vertical penny head

  • Glass Pennyhead Stoppers

    DWK Life Sciences (Kimble)

    Solid pennyhead stopper for volumetric flasks, centrifuge tubes, etc. Meets ASTM Standard E 694.

  • Stopper Pennyhead 34/45

    DWK Life Sciences (Kimble)

    Stoppers are used with laboratory glassware such as flasks and separatory funnels. Sizes Standard Taper 24/40 and larger are hollow Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

  • Stopper Top Pk144

    DWK Life Sciences (Kimble)

    Top Stoppers for Incubation Flasks. Rubber stoppers for flask top and sidearm provide a secure double seal Top stopper has off-center hole for insertion of center well Fits both 10 and 25 mL flasks

  • Stopper No. 16 Cs 6

    DWK Life Sciences (Kimble)

    Replacement part for items that are ground to stopper dimensions. Yellow and blue stopper has a closed bottom. The enlarged flange is designed to protect the neck if the glass object is tipped over.

  • Stopper No. 19 Cs 6

    DWK Life Sciences (Kimble)

    Replacement part for items that are ground to stopper dimensions. Yellow and blue stopper has a closed bottom. The enlarged flange is designed to protect the neck if the glass object is tipped over.

  • Stopper Size 19/38

    DWK Life Sciences (Kimble)

    Stoppers are used with laboratory glassware such as flasks and separatory funnels. Sizes Standard Taper 10/30 through Standard Taper 19/38 are solid Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

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