Bottles, Stoppers
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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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No. 8 Silicone Stopper
Vee Gee ScientificSIBATA 47mm Filtration Filter Holder Components are available as replacement components, or to create a customized filter holder. Available with fritted glass support base for general and biological applications, or with removable stainless steel screen support base and PTFE gasket for ultraclean…
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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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Charlie Plugs are breathable drosophila plugs made from recycled polyester. Polyester is stronger, more breathable and offers excellent mite prevention than cellulose acetate plugs. Charlie plugs leave no clinging fibres they do not retain moisture and are completely made in the USA from recycled…
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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 …
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SYNTHWARE Flask-Length PTFE Stoppers
Kemtech AmericaPTFE Stopper, Flask Length, Synthware, Various Joint Sizes Available.
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Monoject™ SmarTip™ Needleless Vial Access Cannula
Cardinal HealthNo needle means no needlestick: The Monoject™ SmarTip™ needleless vial access cannula is specifically designed to access rubber stopper medication vials without the risk of needlestick injury. Penetrate vial with Monoject™ SmarTip™ cannula. For best results place…
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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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20MM SEPTA, TFE/SIL
DWK Life Sciences (Wheaton)Septa for 20 mm screw caps or seals. Made of Polytetrafluoroethylene /Silicone Autoclavable
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Neoprene Stoppers
United Scientific SuppliesNeoprene stoppers can be used in areas where rubber would be attacked by reagents or solvents. Synthetic neoprene stoppers have good resiliency and shelf-life. They withstand petroleum products and oils as well as most inorganic acids and bases. Stopper are green for easy identification. Sold by…
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Rubber Stoppers for 800mL Kjeldahl Flasks
PlasticoidChoice 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
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The hollow stopper is light in weight, yet very strong to reduce chipping and breakage, thus minimizing replacement costs. A barrel-shaped head means it is easy to clean and even easier to rotate in or out. Grooves in the sides help prevent slippage. The flat top allows the stopper to stand on its…
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Stoppers, PTFE-Clad Glass, Spherical
Ace GlassHollow glass spherical stoppers, PTFE-Clad to provide the ultimate in no-jam engagement.
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Aldrich® hollow pennyhead stopper Joint
MilliporeSigmaConforms to standard-taper specifications as outlined in ASTM E 675. Synonyms: glass stopper; glass stoppers; stoppers Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
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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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Ultra Pure Stoppers, 20 mm
DWK Life Sciences (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
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Low Actinic Red Stained Glass Stoppers
ChemglassFlask length solid penny head stopper with low actinic red stain.
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SYNTHWARE Septum Stoppers, Sleeve Type
Kemtech AmericaSleeve Type Septum Stopper made from natural white rubber.
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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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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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PTFE stopper adapter is similar to CG-3002-L but with the addition of one female NPT port in the center. The optional PTFE compression fittings provide a convenient way to insert probes or connect PFA tubing or FEP tubing to reactors or flasks. PTFE stopper has an extraction nut permitting easy…
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Scienceware® Safe-Lab® PTFE Stoppers
SP Bel-ArtSimilar to 8771R10 series, but in standard taper joint sizes Conforms to ASTM Standard E 675 Use with boiling and distilling flasks
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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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Tube, Test, Stoppered
Ace GlassTest tube with interchangeable stopper; 24/40 stopper is hollow, other two solid.
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These PYREX® gas washing Standard Taper stoppers are replacements for the 500mL gas washing bottles (No. 31760-500EC). Sidearm tubulations are 8mm O.D. A 40/50 Standard Taper stopper is used to seal the top to the base. This Standard Taper stopper incorporates a tube with a 20mm diameter extra…
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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
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Hungate stopper only for use with Hungate tubes. Specifications: Black Butyl Rubber Size: 13MM 250 each per case Dimensions: 13mm at top, to 10mm x 5mm Thick For Use With Hungate Tube: 2047-00125
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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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Glass Pennyhead Stopper, Standard Taper 24/40
DWK Life Sciences (Kimble)Hollow plug type With sealed bottom and vertical penny head
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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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Suba-Seal® septa red 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…