Corks
Commonly used in laboratories because of their impermeability and general absence of toxic elements, cork is a useful material to stop test tubes and flasks. Cork, also known as a stopper or bung, is partially inserted inside of a container to form a seal. This differs from a lid, which does not displace the inner volume during a seal. Cork stoppers, which come in numerous sizes, are generally safe for use in packaging or for the processing of food and are best suited for solid specimens and materials. Corks should be rolled on a clean surface to soften their lower half prior to use, allowing the cork to expand and form a tight seal when pressed into a flask or vial.
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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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Fisherbrand™ Select Cork Stoppers
Cork stoppers
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Fisherbrand™ Extra-Long Cork
Punched out from natural cork wood and tapered to size
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Fisherbrand™ Superior Grade Cork Stoppers, Assorted Sizes
Corks are cut from high-quality wood and ideal for sealing bottles. Assorted lengths Sizes: 6-15
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United Scientific Supplies Cork Stoppers
Grade XXX Tapered Cork Stoppers are an excellent choice for general laboratory use
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Eisco™ Bark Cork Stopper
Available in pack of 10.
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Cork Corner Div Of Gerbert Ltd Economical Cork Stoppers
For all of your laboratory needs.
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Cork Corner Div Of Gerbert Ltd Corks of Assorted Sizes
Be prepared with these sturdy cork stoppers in a range of sizes.
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Chemglass Life Sciences 100mm O.D x 50mm ID Flask Cork Stand
Flask support ring has a concave recess on top to support round bottom flasks. FLASKS SOLD SEPERATELY
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GSC Go Science Crazy Laboratory Grade Cork Stoppers
Available in different sizes for many laboratory or classroom needs. GSC International Laboratory Grade Cork Stoppers are solid type corks, and have a variety of useful applications.
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