Rubber Stoppers

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Rubber Stoppers
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  • Rubber Stoppers

    United Scientific Supplies

    Rubber Stoppers packaged in convenient 1lb bags. Available in solid, 1 hole, and 2 hole versions.

  • Ultra Pure Stoppers

    Wheaton

    Bromobutyl rubber compound with a high level of chemical purity Straight Plugs and Lyophilization Stoppers (2-leg, 3-Leg and Igloo) are available All Ultra Pure Stoppers are autoclavable Ultra Pure Straight Plug Stoppers are made from a bromobutyl rubber compound containing the…

  • Solid Rubber Stoppers

    Plasticoid

    Standard Grade Size No. 000 is 18 mm long; sizes No. 00 to No. 13 are 25 mm long. Sizes No. 13 1/2, 14 and 15 are 35 mm, 36 mm and 39 mm respectively.

  • Serum & Pharmaceutical Stoppers

    Plasticoid

    Available with Straight Sided Plugs, 11mm, 13mm, and 20mm Available with Blow back finish, 20mm and 30mm Serum Stoppers in Red Natural Rubber, Gray Butyl, and Silicone Custom Compounds available upon request in EPDM, Nitrile, Neoprene, and Viton® Plugs are designed to fit Vials and Bottles…

  • Neutraglas Serum Bottle Butyl Rubber Stoppers

    Kimble

    Gray butyl rubber formulation passes U.S. pharmacopeia testing for globally-marketed pharmaceutical products. Stoppers contain no plasticizers, 2-mercaptobenzothaizole, nitrosamine precursors or natural rubber latex. Applicable to aqueous solutions with a pH range of 2-10, stoppers are available…

  • Neoprene Stoppers

    Hach

    Recommended where natural rubber would deteriorate or be attacked.

  • Stopper Assortment

    Plasticoid

    Made of soft, pliable, black-compounded stock Length: 25 mm Includes stoppers of solid, one-hole and two-hole styles in sizes 00, 0, 1, 2, 3, 4, 5, 6, 6 1/2, 7 and 8; total of 66 stoppers

  • Rubber Stoppers

    Plasticoid

    …for added chemical resistance Listed mainly by trade-size, available in solid, one-hole, and two hole rubber stoppers. Uses vary widely, some are outlined below: Carboy Stoppers Crucible Holders Laboratory & Test Tube Stoppers Masking Applications Micro Stoppers Pipe Plugs Tube Stoppers

  • Sleeve Stoppers & Plugs

    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®

  • One-Hole Rubber Stoppers

    Plasticoid

    Size No. 000, 00 and 0 have hole 3 mm diameter; sizes No. 1 and 2 have hole 4 mm in diameter; all other sizes have hole 5 mm in diameter.

  • Solid Rubber Micro Stopper

    Cannon Instrument

    Tapered from 6 mm top diameter to 2 mm bottom diameter, these solid rubber micro stoppers measure 20 mm long. Micro stoppers are for use with Cannon-Fenske Qpaque Viscometer and Cannon Cold-Cranking Simulator.

  • Plug-Type Rubber Sleeve Stoppers

    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…

  • Twistit Convertible Stoppers

    Plasticoid

    …system allows use as solid or one-, two- or three-hold closures Simplifies stock room inventory Molded of soft, resilient, white natural rubber Seals vacuum-tested to 760 mm Hg Autoclavable, with good shelf life. Sizes #3 & #4 have two holes; #5 - #10 have the (3) holes. 8744H10…

  • Rubber Stopper Economy #7

    Maryland Plastics

  • #12 Silicone Rubber Stoppers

    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.

  • Silicone Stoppers with Holes

    Kimble

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

  • Snap-On Stoppers

    Wheaton

    Natural red rubber or gray chlorobutyl/45 material 7 x 13 or 13 x 20 mm sizes

  • Stopper Top Pk144

    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

  • Flange Style Rubber Stopper

    Plug diameter 13 mm Red rubber with flange top Readily punctured with syringe needle For use with Thomas series 1780M Aluminum Seals.

  • Lypholization-Slotted Rubber Stopper

    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.

  • Rubber Stoppers

    United Scientific Supplies

    Convenient assortments of various sizes of rubber stoppers in 1lb bags.

  • Two Hole Rubber Stoppers

    Plasticoid

    Standard Grade Sizes No. 00, 0 and 1 have holes 2, 3 and 4 mm diameter, respectively; all other sizes have holes 5 mm diameter

  • Filter Stopper RBR #8 0.625" Hole

    Thermo Scientific Nalgene

    No. 8, rubber For use with 145- and 147-series analytical test filter funnels and filter funnel with clamp

  • 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®

  • Rubber Stoppers

    Plasticoid

    …chemical resistance Uses vary widely, some are outlined below: Carboy Stoppers Crucible Holders Laboratory & Test Tube Stoppers Masking Applications Micro Stoppers Pipe Plugs Tube Stoppers * Sale price valid only on current stock. Additional units may be…

  • Polypropylene Serum Bottle

    Wheaton

    Used extensively for diluent solutions Accepts rubber stoppers and aluminum seals Autoclavable at 121°C for 20 minutes

  • Flange Style Rubber Stopper

    Wheaton

    Cleanest, most precise pharmaceutical grade rubber stoppers for research and parenteral drug applications Readily punctured with syringe needle 1229H84-K77, 1223Z64-65, 1780K28-31: straight plug style 1229K78, 1780K33-35: 2 leg lypohilization style 1780J10-J14: sleeve style

  • Black Rubber Stoppers

    GSC International, Inc.

    A black rubber stopper that is useful in a number of applications. Available in a variety of sizes. Each pack is one pound. Choose from solid, 1 hole, and 2 hole stoppers.

  • Assorted Rubber Stoppers (2 Pound)

    GSC International, Inc.

  • Neoprene Rubber Stoppers

    Plasticoid

    …to temperatures up to  120°C Usable with petroleum products, vegetable and mineral oils and fats which deteriorate natural rubber Standard length: 26 mm Increased functionality over rubber stoppers at elevated temperatures. Not recommended for use with very light oils, such as kerosene.

  • Rubber Stoppers Economy #10

    Maryland Plastics

  • Assorted Solid Rubber Stoppers

    GSC International, Inc.

    1 pound pack of assorted solid rubber stoppers. Sizes and quantities are as follows: Size 00: 4 each Size 0: 4 each Size 1: 4 each Size 2: 3 each Size 3: 3 each Size 4: 3 each Size 5: 3 each Size 6: 3 each Size 7: 3 each

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