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.
VWR® Pure Gum Rubber Stoppers, Two-Hole
Supplier: VWR International
These highly resilient, pure gum, off-white rubber stoppers have less free sulfur (max
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VWR® Two-Hole Rubber Stoppers, Black
Supplier: VWR International
These black, high percentage rubber stoppers are low in free sulfur and have two holes to facilitate laboratory procedures.
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VWR® Sleeve Stoppers
Supplier: VWR International
Natural rubber stoppers feature a hollow plug to fit inside bottles, flasks, vials, or tubing.
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VWR® Green Neoprene Stoppers, Solid
Supplier: VWR International
Synthetic, neoprene stoppers contain no free sulfur and exhibit good resiliency and shelf-life.
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VWR® One-Hole Rubber Stoppers, Black
Supplier: VWR International
These black high-percentage rubber stoppers are low in free sulfur and have a single hole to facilitate laboratory procedures.
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VWR® Pure Gum Rubber Stoppers, One-Hole
Supplier: VWR International
These highly resilient, pure gum, amber rubber stoppers have less free sulfur (max
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VWR® Rubber Stoppers
Supplier: VWR International
Versatile rubber stoppers are four stoppers in one.
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VWR® Corks
Supplier: VWR International
XXXX Corks function as a closure for bottles, vials, laboratory and other openings.
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VWR® Rubber Stopper Assortment, Black
Supplier: VWR International
This practical, two-pound assortment of black rubber stoppers is ideal for the small laboratory or school with limited need for any one size or style.
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VWR® One-Hole Kjeldahl Rubber Stoppers, Black
Supplier: VWR International
These black rubber, one-hole stoppers are specifically designed to fit 500 and 800 mL Kjeldahl nitrogen determination flasks.
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VWR® Stopper Tie
Supplier: VWR International
Made of stretchable natural rubber for use with glass stoppers.
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VWR® Micro Stoppers
Supplier: VWR International
Select from soft red natural rubber or green neoprene for higher heat resistance.
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VWR® Red Rubber Stoppers, Flanged, Plasticoid
Supplier: VWR International
Permit insertion of hypodermic needles.
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VWR® Corks
Supplier: VWR International
XXXX Corks function as a closure for bottles, vials, laboratory and other openings.
Expand 1 Items
VWR® Solid Rubber Stoppers, Black
Supplier: VWR International
These solid, black stoppers contain a high percentage of pure rubber, weigh less than neoprene, and are low in free sulfur (1/2%).
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VWR® Pure Gum Rubber Stoppers, Solid
Supplier: VWR International
These solid, pure gum, amber rubber stoppers contain less free sulfur (max
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Catalog #: CA21905-026
Supplier: Kimberly-Clark