Stoppers
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.
Cork Assortment
Regular length, XX quality corks in convenient assortments for laboratory use. Packaged with equal amounts of each size.
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Cork, XX Quality, Size 7
These natural corks are perfect for laboratory and industrial use! This pack of 100 corks are ideal for closing up your lab bottles and jars.
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Cork, Size 28
This XXXX quality corks has a fine grain and is ideal for use as tight-fitting a stopper.
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Twistit® Stopper Assortment
Solid, One-Hole, Two-Hole, and Three-Hole Rubber Stoppers in One Unit.
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Regular Length Cork Assortments
Each package contains 100 corks of assorted sizes in the range indicated.
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Quality Corks, XX
Size Top Diameter Bottom Diameter
Size 1 11.1 mm 8.3 mm
Size 2 12.7 mm 9.5 mm
Size 3 14.2 mm 10.7 mm
Size 4 15.8 mm 11.9 mm
Size 6 19.0 mm 14.6 mm
Size 20 41.2 mm 34.0 mm
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Rubber Stopper Assortments, United Scientific Supplies
Convenient assortments of various sizes of rubber stoppers are sold as one-pound bags.
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Cork Stoppers, United Scientific Supplies
Cork stoppers function as a closure for bottles, vials, laboratory vessels and other openings.
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Vee Gee Glass Stoppers
These stoppers are lightweight yet very strong to reduce chipping and breakage, thus minimizing replacement costs.
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Silicone Stoppers, United Scientific Supplies
Chemical resistant solid silicone stoppers.