Stoppers, Supplies, Ready to Ship
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Free from volatiles or extractable substances which may impair cell growth; for use at temperatures from -80 to 450°F Can be steam sterilized at 15 lbs. pressure, making them suitable for culture tubes containing pathogenic materials Length: 25 mm Not recommended for use with…
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Septum Stoppers, Sleeve Type
ChemglassSleeve type stoppers with a hollow plugs and sleeve extensions that folds down over the neck of a vessel, tubing, etc. The diaphragm can be punctured with a syringe needle, re-sealing after the needle is withdrawn. Available in either RED or WHITE rubber.
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Twistit Convertible Stoppers
PlasticoidUnique seal 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)…
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Rubber Stoppers
United Scientific SuppliesRubber Stoppers packaged in convenient 1lb bags. Available in solid, 1 hole, and 2 hole versions.
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Rubber Stoppers
United Scientific SuppliesConvenient assortments of various sizes of rubber stoppers in 1lb bags.
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One-Hole Rubber Stoppers
PlasticoidSize 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.
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Gray Butyl Rubber Lyophilization Style Stoppers
DWK Life Sciences (Kimble)Designed for aluminum seal finish vials Two-leg style reduces possibility of legs sticking together Gray high grade butyl rubber, lyophilization style
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Neoprene Rubber Stoppers
PlasticoidSolid green Neoprene Withstands exposure 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.…
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Solid Rubber Stoppers
PlasticoidStandard 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.
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Rubber Stoppers
PlasticoidM35 Green Neoprene 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…
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Polyethylene Stoppers
ChemglassInexpensive, tapered stopper provides for a tight, leak-proof fit while the top ring permits the stopper to be easily removed. Stoppers are made of yellow Polyethylene
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Scienceware® Cup Type Stoppers
SP Bel-ArtOpen at large end, with uniform taper similar to that of rubber stoppers Hollow shell polyethylene construction affords sufficient flexibility to provide secure seal Top edge is reinforced to increase rigidity Can also be inverted for use as loose or tight-fitting caps. Smooth inside walls and…
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Cork Stoppers
GSC International, Inc.Quality, laboratory grade Cork Stoppers. Available in the following sizes: Size 000 Size 00 Size 0 Size 1 Size 2 Size 3 Size 4 Size 5 Size 6 Size 7 Size 8 Size 9 Size 10 Size 11 Size 12 Size 14 Size 16 Size 20 Size…
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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.
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Poly-Cone Universal Joint Adapter
SP Bel-ArtThis precision-engineered adapter may be cut with a fine-tooth saw or sharp knife into various adapters, such as individual bushings, stirrer bearings, thermometer and gas inlet tube supports, drip-tips, funnels, trap connectors for tubing, etc. Forms a continuous standard taper inside and…
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Two Hole Rubber Stoppers
PlasticoidStandard Grade Sizes No. 00, 0 and 1 have holes 2, 3 and 4 mm diameter, respectively; all other sizes have holes 5 mm diameter
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Pennyhead stoppers are generally used in flasks and separatory funnels.
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Plug, Nylon, HDPE or PTFE, Front seal
Ace GlassA front-seal, solid plug for sealing column ends. Supplied with one FETFE o-ring.