Leak-proof, solid stoppers seal bottles, flasks, vials, and even tubing to prevent liquids and gases escaping. Multi-hole styles provide the limited flow stability conditions desired in order to prevent air bubble build up. With a slightly tapered design, different diameter sized stoppers are inserted in labware for a snug fit that still allows easy removal. The closures are manufactured in different materials for accurate resistance to harsh contents and can maintain vacuum atmosphere.
SP Wilmad-LabGlass Solid Pennyhead [ST] Stoppers, Medium Length, SP Industries
Supplier: SP Industries
Solid glass, medium length stoppers.
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KONTES® Pennyhead [ST] Stoppers, Full Length, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Glass [ST] stoppers for use in the same size outer joints
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Rubber Sleeve, Plug-Type Stoppers, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Hollow, plug-type stopper fits into the neck of the apparatus
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Pluro Stopper, Ace Glass Incorporated
Supplier: Ace Glass
Pluro stoppers are nested rings cut from the same stopper, and will give a vacuum-tight fit for all openings within its size range. Silicone stoppers have a higher serviceable temperature of –100 to 450 °F (–73 to 232 °C).
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PYREX® Pennyhead Stopper, Corning
Supplier: Corning
PYREX® glass pennyhead stoppers are generally used in flasks and separatory funnels.
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KONTES® Pennyhead [ST] Stoppers, Medium Length, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Glass pennyhead stoppers
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Pluro Stopper Set, Ace Glass Incorporated
Supplier: Ace Glass
Versatile silicone stopper set that equals 17 standard stoppers
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Full Length Hex Head Hollow Glass Stopper, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Hollow glass hex head stopper for use with ungraduated addition funnels with a pressure equalizing line.
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Butyl Rubber Injection Stopper, MicroSolv
Supplier: MicroSolv Technology Corp
Shaped, injection stoppers, butyl rubber used in PerkinElmer Injectors. Use in aluminum or steel crimp caps for headspace autosamplers which are sold separately.
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Stoppers, PTFE-Clad Glass, Ace Glass Incorporated
Supplier: Ace Glass
These are hollow glass stoppers with PTFE-Clad tapered section for controlled expansion and no jamming.
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Rubber Stopper for Serum Bottles, Ace Glass Incorporated
Supplier: Ace Glass
Rubber stoppers of various styles and rubber compounds for serum vials and bottles
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Spherical Joint Stopper Cap, Ace Glass Incorporated
Supplier: Ace Glass
Cap-type stoppers have spherical joints and are used to seal unused ports on Air Sampling Manifolds
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PYREX® Polyethylene [ST] Stoppers, Corning
Supplier: Corning
These PYREX® No.13 stoppers are made from linear HDPE and have closed bottoms to conform to Standard Taper stopper dimensions.
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Stoppers, Full Length with Hook, Ace Glass Incorporated
Supplier: Ace Glass
Stopper is hollow with internal hook for hanging reactants in flasks.
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Pennyhead Glass Stoppers, Ace Glass Incorporated
Supplier: Ace Glass
These pennyhead style glass stoppers are hollow
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PTFE Stopper, Micro, Ace Glass Incorporated
Supplier: Ace Glass
Standard taper stoppers made of solid PTFE.
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Butyl Rubber Two-Leg Stopper, Wheaton
Supplier: DWK Life Sciences (KIMBLE)
Lyophillization stopper made from grey butyl rubber, for use with WHEATON® Vacule® Lyophillization ampule.
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Plug Stoppers with Front Seal, Nylon or PTFE, Ace Glass Incorporated
Supplier: Ace Glass
Solid plug stoppers are designed for sealing column ends
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SP Wilmad-LabGlass Hollow Pennyhead [ST] Stoppers, Full Length, SP Industries
Supplier: SP Industries
Hollow, precision ground glass stoppers with closed bottom.
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Polyethylene Stoppers, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Low cost polyethylene stoppers are an alternative to standard glass and PTFE stoppers
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PTFE Plug Inserts, Ace Glass
Supplier: Ace Glass
These are PTFE inserts for PTFE reaction vessel heads.
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PYREX® Hollow [ST] Flask Stoppers, Corning
Supplier: Corning
These PYREX® hollow borosilicate glass stoppers are light weight, strong to reduce chipping and breakage. Barrel shaped head makes it easy to clean and rotate in or out. Grooves in the sides help prevent slippage.
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PYREX® PTFE [ST] Keyhole Stoppers, Corning
Supplier: Corning
PTFE. Ideal for flasks that are grounded to [ST] stopper dimensions.
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PTFE Stopper with Extraction Nut, Ace Glass Incorporated
Supplier: Ace Glass
Stoppers are available in solid PTFE with polypropylene extraction nut.
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PTFE Full Length Stoppers, Ace Glass Incorporated
Supplier: Ace Glass
Standard taper 24/40 size is solid; standard taper 45/50 is hollowed from top, bottom closed.
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SP Bel-Art Safe-Lab™ Hollow Teflon® PTFE Stoppers for Tapered Joints, Bel-Art Products, a part of SP
Supplier: Bel-Art Products, a Part of SP
Hollow Teflon® PTFE stoppers are designed for boiling and distilling flasks with ground joints.
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Silicone Stoppers with Holes, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
General-purpose, single-hole silicone rubber stoppers
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Stopper, Michel-Miller, Ace Glass Incorporated
Supplier: Ace Glass
These precision made PTFE stoppers are for use at either end of Michel-Miller columns, or on other Ace-Thred connections, when a leak-tight seal without the use of o-rings is desired
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Medium Length Hex Head Hollow Glass Stoppers, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Stoppers are used with laboratory glassware such as flasks, mixing cylinders, and separatory funnels
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PYREX® Hollow [ST] Reagent Bottle Stoppers, Corning
Supplier: Corning
Combination glass stoppers with closed bottoms may be used as [ST] joint stoppers and as reagent bottle stoppers