You Searched For: Glass Stoppers

Hollow or solid glass stoppers close glassware items including flasks, funnels, and cylinders to shut out environmental elements for uncontaminated reaction testing. Simple to grease for heating or vacuum procedures, the slightly tapered ground glass joints are easy to rotate for a band without streaks or bubbles. Easily grip penny and hex head design tops for a clean removal upon operating completion. The tightly sealing apparatus closures come in any size needed for a leak-proof seal.

Hollow or solid glass stoppers close glassware items including flasks, funnels, and cylinders to shut out environmental elements for uncontaminated reaction testing. Simple to grease for heating or vacuum procedures, the slightly tapered ground glass joints are easy to rotate for a band without streaks or bubbles. Easily grip penny and hex head design tops for a clean removal upon operating completion. The tightly sealing apparatus closures come in any size needed for a leak-proof seal.


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Supplier: Kemtech America
Description: Solid glass penny head stopper.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Corning
Description: Hollow, full length stopper closed at the bottom from PYREX®, borosilicate glass.
Supplier: Foxx Life Sciences
Description: These Borosil® pennyhead stoppers are made of 3.3 borosilate glass.

Supplier: DWK Life Sciences (KIMBLE)
Description: Glass stoppers for use with flasks, mixing cylinders, separatory funnels, and more
Catalog Number: (60004-852)
Supplier: Kemtech America
Description: Designed for use with manifolds equipped with #15 O-rings.

Small Business Enterprise Minority or Woman-Owned Business Enterprise


Supplier: Corning
Description: 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.
Supplier: Chemglass
Description: Solid glass stoppers are designed for use with flasks, mixing cylinders, and varied laboratory glassware.

Small Business Enterprise

Catalog Number: (CA10202-936)
Supplier: CHEM SCIENCE INC CA
Description: Hollow stopper for use with spherical socket joint.


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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  • issued document with your organization's Federal Tax ID Number
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The original product is no longer available. The replacement shown is available.
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