Stoppers and Closures
Stoppers and Closures
Bottle closures ensure that the contents of jars and bottles are secured for storage or transportation, providing a leak-proof, spill-proof barrier. Available in a variety of types, many with specific applications, common bottle closures include: caps, stoppers, stopcocks and associated accessories, such as O-rings, inserts and septa. Manufactured from numerous materials, bottle closures can are typically made of polypropylene, polyethylene, glass or cork. Bottle closures are available with either an open or closed top, with open top caps closing completely via an insert or through a septa that allow for the addition of supplements. Closed caps come either unlined or with a variety of liners, depending on their intended purpose.
Bottle Caps
(1,211)
Stoppers
(837)
Corks
(130)
Bottle Septa
(45)
Environmental Sampling Bottle Closures
(27)
Bottle Cap Liners
(14)
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Fisherbrand™ Cork Stoppers - Superior Grade
Corks are cut from high-quality wood and are selected to meet superior standards
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DWK Life Sciences Wheaton™ Stoppers for Serum Bottles and Vials: Straight Plug Stopper
Provide airtight covers
Promotions are available
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Thermo Scientific™ LDPE Foam-lined Polypropylene Caps for Bulk Separates
Use these LDPE foam-lined caps are for general-purpose HDPE bulk separate containers.
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DWK Life Sciences Kimble™ Kontes™ Polyethylene Stoppers
Low-cost polyethylene stoppers are an alternative to standard glass and PTFE stoppers.
Promotions are available
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Fisherbrand™ Solid Neoprene Rubber Stoppers
Recommended where rubber would be attacked or deteriorated
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Fisherbrand™ Solid Rubber Stoppers, No. 6.5
Solid rubber construction.
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Fisherbrand™ Disposable Polyethylene Cuvette Stoppers
Flexible fins on cap allow for tight fit that will not damage the cuvette.
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DWK Life Sciences Kimble™ Kontes™ Hollow White Rubber Sleeve Stoppers
Hollow stopper fits into the neck of the glassware apparatus. Series 774261 may be used at up to 125°C for up to 8 hours.
Promotions are available