Stoppers, Bottles
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WHEATON® COMPLETEPAK 20 mm Sterile OmniFlex 3G Igloo Lyo Stopper
DWK Life Sciences (Wheaton)Sterilized, off-the-shelf, ready-to-use (RtU) primary packaging component Focuses your effort on core competencies and reduces lead time Streamlines process and frees up valuable clean room space USP <788>/EP 2.9.19 Particulate Matter in Injections, USP <85>/EP 2.6.1, The…
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Precision Seal® rubber septa white
MilliporeSigmaThe recommended choice for use with organic chemicals and solvents, pressure applications, and cannulation techniques:Precision Seal septa are designed specifically for the rigorous requirements of chemical applications. •Precision fit: Precision Seal septa have a longer, tapered plug that seats…
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Precision Seal® rubber septa white
MilliporeSigmaThe recommended choice for use with organic chemicals and solvents, pressure applications, and cannulation techniques:Precision Seal septa are designed specifically for the rigorous requirements of chemical applications. The main features of our septa seal: Precision fit: Precision…
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PennyHead Glass Hollow Stoppers
Across InternationalAi 24/40 pennyhead glass hollow stopper. Glass material: high borosilicate glass 3.3.
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Suba-Seal® septa white rubber
MilliporeSigmaWell-known as the best quality rubber turn-over closure with serrated stopper, Suba-Seal brand is available exclusively from Sigma-Aldrich. Ideal for air and moisture-sensitive chemistry procedures. After piercing with non-coring needle, rubber closes puncture, providing air and moisture tight seal…
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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 The diaphragm can be punctured with a syringe needle, re-sealing after the needle is withdrawn.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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Stopper, Michel-Miller
Ace GlassPrecision made PTFE stoppers for use at either end of the 5795 Michel-Miller, 5820 Columns or all 7644 Ace-Threds when a leaktight seal without the use of O-Rings is desired. Use 5846- 52 and 7855-829 for #50 size.
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SYNTHWARE Hollow Glass Penny-Head Stoppers
Kemtech AmericaPenny-Head Stopper, Glass, Hollow, Synthware, Various Joint Sizes Available, heavy wall design.
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These chemically resistant PYREX® keyhole stoppers are made from polytetrafluoroethylene (PTFE) and conform to Standard Taper stopper dimensions. The color-coded keys make sorting and selecting the correct size much faster and easier. These stoppers may be used in place of conventional glass…
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Rubber Stoppers, One Hole
Chemglass13.5 Rubber Stopper 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…
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3-Leg Lyophilization Stoppers
DWK Life Sciences (Wheaton)1233Z70: 3-leg design provides stability during lyophilization and resists cocking. Constructed of Gray Chlorobutyl/50 material and fit bottles with mouth 13 mm ID x 20 mm OD. 1224A82: 3-leg lyophilization stopper is made from gray chlorobutyl/55 and is used with Wheaton screw neck diagnostic…
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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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Stopper, Flask Length, Flathead
ChemglassFlathead design allows stopper to be inverted and placed on end thereby preventing contamination of the ground surface.
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Stoppers, Glass, Full Length with Hook
Ace GlassFull length glass standard taper stoppers with hook.
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HDPE Stopper No 16
CorningThese blue and white No. 16 PYREX® stoppers are made from linear high-density polyethylene and have closed bottoms to conform to Standard Taper stopper dimensions. The three rings on the plug provide an efficient seal. This improved design fully protects the neck in the event of accidental…
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Anaerobic Tube & stopper 18x150mm
Bellco GlassGas tight tube designed for maintaining anaerobic conditions. Useful for studies involving methane-producing bacteria. Includes gas impermeable blue butyl rubber septum type stopper. Tube is made of Type 1 Class B Borosilicate glass. Specifications: Type 1 Class B Borosilicate Glass Blue…
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These blue and white PYREX® stoppers are made from linear high-density polyethylene and have closed bottoms to conform to Standard Taper stopper dimensions. The three rings on the plug provide an efficient seal. This improved design fully protects the neck in the event of accidental tipping. These…
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CORK STOPPERS
United Scientific SuppliesThese grade XXX tapered cork stoppers are an excellent choice for general laboratory use. They are effective for both liquid and solid mediums, and offer light weight, resilience and compressibility. Chemically inert and moisture resistant. Sold as packs of 100.
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Serrated silicone rubber septa bottom
MilliporeSigmaTranslucent silicone rubber septa:. Contain no pigments, waxes, or molding agents. Good for high heat applications (200C continuous or 400C intermittent). Autoclavable for sterile applications. Excellent resistance to deterioration due to sunlight and ozone
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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
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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…
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Stoppers/Adapters, Extraction Nut, NPT
ChemglassPTFE stopper is similar to CG-3002-L but with the addition of one female NPT port in the center for connection of compression fittings or pressure/vacuum gauges. PTFE stopper has an extraction nut permitting easy removal of the stopper from the glass outer joint.
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Glindemann PTFE sealing rings
MilliporeSigma•This narrow ring seal is an alternative to a PTFE joint sleeve •Greaseless protection for air- and moisture- sensitive compounds •Can be used for prolonged storage under vacuum •Slide easily onto medium and full length taper joints •Can be used with Keck® clip and similar metal joint clips …
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Sleeve stopper septa
MilliporeSigmaSleeve stopper septa are manufactured from pure natural rubber for excellent resealability when used for cannulation techniques or from FKM rubber for high chemical resistance. Natural rubber septa are available in red and white colors and a soft rubber formulation that contains no fillers or…
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Stoppers, Lyophilization with Ultra Pure Formulation
DWK Life Sciences (Wheaton)Ultra Pure Lyophilization Stoppers are made from a bromobutyl rubber compound containing the highest level of chemical purity. These stoppers demonstrate a very low level of moisture absorption and are ideal for most lyophilization applications. They are compatible with Water for Injection (WFI)…
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Premium Stoppers, Straight Plug with Coating
DWK Life Sciences (Wheaton)Complete Coat Stoppers are completely coated with a fluorinated polymer that has barrier properties similar to PTFE. The fluorinated polymer coating is the only material that comes in contact with the sample. As a result, chemical reactions due to unwanted interference with the rubber itself are…
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No. 8 Perforated Stopper
MilliporeSigmaDesigned for use with 1L and 4L vacuum filtering flasks and 47mm vacuum filter holder assemblies 100% Silicone Material Perforated, 1-hole accepts filter holder assemblies and tubing Pack of 5
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United Scientific™ Silicone Stoppers
United Scientific SuppliesSilicone stoppers are particularly useful due to their inert and nonreactive nature. It will not impair the growth of tissue cultures and resistant to most chemical acids and solvents. Stoppers can be steam sterilized at 15 lbs. pressure. Broad working temperature range of –62 to 232°C…