Rubber Stoppers

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Rubber Stoppers
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  • Filtering Flask Kit (Vacuum Pump Kit)

    GSC International, Inc.

    …Included is a 500ml Borosilicate Filtering Flask, Vacuum Pump, Porcelain Buchner Funnell, 9cm filter paper, connection tubing, and a rubber stopper. The stopper hole is specially cut to hold the Buchner funnel. The Vacuum Pump is simplifies the process of vacuum filtration, eliminating the need…

  • 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.

  • 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.

  • 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.

  • Rubber Stoppers

    United Scientific Supplies

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

  • Rubber Stoppers

    United Scientific Supplies

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

  • 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

  • #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.

  • 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 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

  • 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

  • Solid Rubber Stoppers

    Chemglass

    These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications established by the N.B.S. and are low in free sulfur…

  • Rubber Stoppers Economy #10

    Maryland Plastics

  • Rubber Stoppers Economy #9.5

    Maryland Plastics

  • Flange Style Rubber Stopper

    DWK Life Sciences (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

  • 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

    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.

  • Rubber Stopper Economy #7

    Maryland Plastics

  • Rubber Stoppers, Two Holes

    Chemglass

    Similar to CG-3026 and CG-3027 except with two holes. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications…

  • Rubber Stoppers, One Hole

    Chemglass

    Similar to CG-3026 except with one hole. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications established…

  • Butyl Rubber Stoppers with Caps

    PerkinElmer

    Butyl Rubber Stoppers with Caps PK/1000

  • Assorted 1 Hole Rubber Stoppers

    GSC International, Inc.

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

  • Assorted 2 Hole Rubber Stoppers

    GSC International, Inc.

    RS-2H-C 1 pound package of assorted 2 hole rubber stoppers. Sizes and quantities are as follows: Size 2: 3 each Size 3: 3 each Size 4: 3 each Size 5: 3 each Size 6: 3 each Size 7: 3 each Size 8: 3 each

  • Assorted Rubber Stoppers (2 Pound)

    GSC International, Inc.

  • Assorted Rubber Stoppers (1 Pound)

    GSC International, Inc.

  • Split Rubber Stopper (20mm Corkage)

    Labconco

  • Split Rubber Stopper (13mm Corkage)

    Labconco

  • 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…

  • Rubber Stoppers for 800mL Kjeldahl Flasks

    Plasticoid

    Choice of styles: solid or with one hole of proper size for 800mL Pyrex™ Kjeldahl flasks One-hole style can be enlarge or the solid stopper bored to take larger sizes Top diameter: 39mm; bottom diameter: 28mm; height: 35mm; one-hole bore diameter: 8mm

  • 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.

  • Stopper Rubber #3 7/8"

    LaMotte

  • Stopper Rubber #00 0.5"

    LaMotte

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