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Stoppers
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Solid Rubber Stoppers
ChemglassThese 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…
Related Products: Rubber Stoppers
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Hollow Hex Head Stoppers
ChemglassHexagonal shaped head of stopper prevents it from rolling off of the bench top. Flat surface will also permit stopper to be inverted and placed on end, thereby preventing possible contamination of ground surface.
Related Products: Stoppers
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Rubber Stoppers, Two Holes
ChemglassSimilar 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…
Related Products: Two Hole Rubber Stoppers
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Stoppers, Extraction Nut, PTFE
ChemglassPTFE stopper has a Polypropylene extraction nut permitting easy removal of the stopper from the glass outer joint. The 14/20 and 19/22 are solid, while the larger sizes are hollow.
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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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Spherical Cap Type Stopper
ChemglassCap style stopper to be used with apparatus having a spherical ball joint. For clamp see CG-150.
Related Products: Spherical Joint
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Low Actinic Red Stained Glass Stoppers
ChemglassFlask length solid penny head stopper with low actinic red stain.
Related Products: Glass Stoppers
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Stopper, Safe-Lab®, Flask Length, PTFE
ChemglassFlask length PTFE stopper has a Polypropylene extraction nut permitting easy removal of the stopper from the flask. All sizes are solid.
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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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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.
Related Products: Rubber Septum
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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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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
Related Products: Stoppers
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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…
Related Products: One Hole Rubber Stoppers
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Stopper, Cylindrical, Economy
ChemglassFor use in standard taper outer joints. Economy style with open bottom.
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PTFE Stoppers
ChemglassFlask length PTFE stopper with color coded handle.
Related Products: Ptfe-stoppers
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Sleeves, PTFE
ChemglassReusable .005in thick PTFE sleeve for standard taper joints provides a grease-free seal.
Related Products: Joint Ptfe Sleeves
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Solid Closed Bottom Pennyhead Stoppers
ChemglassSolid stopper with closed bottom.
Related Products: Stoppers
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Septum Stoppers, Suba-Seal®
ChemglassSuba-Seal® septa are a flanged stopper with a hollow plug and sleeve extension that folds down over the neck of the vessel. In addition to the pull over sleeve, Suba-Seal® stoppers have a series of annular serrations on the plug portion of the septa. Each of these serrations depress along…
Related Products: Septum-stopper
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Stoppers, O-Rings, Airfree®, Schlenk
ChemglassFor use with the AF-0060 or AF-0061 manifolds or any Airfree® component with an o-ring as a closure. Supplied complete with one Viton O-Ring.
Related Products: Schlenk
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Twist It Stoppers, Assortment Pack
ChemglassThree twist-off seals permit easy conversion from a solid to a one, two, or three-hole stopper. Soft, resilient, natural rubber demonstrates exceptional aging characteristics and withstands repeated autoclaving. Autoclavable at 250°F for 30 minutes under water or steam conditions only (not…
Related Products: Two Hole Rubber Stoppers
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Stopper, Flask Length, Pennyhead
ChemglassAll sizes are solid with the exception of the #38 (CG-3018-08) which is hollow.
