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.
Synthware Hollow Pennyhead [ST] Stoppers, Glass, Kemtech America
Supplier: Kemtech America
Heavy wall design.
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Airfree® Schlenk Stoppers, O-Ring, Chemglass
Supplier: Chemglass
For use with the Double Bank, Inert Gas or Single Bank, Inert Gas manifolds or any Airfree® component with an O-Ring as a closure.
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Luer Plugs, Value Plastics
Supplier: VALUE PLASTICS TE
Luer Plugs, Value Plastics
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Ultrapure Straight Plug Stoppers, Wheaton
Supplier: DWK Life Sciences (KIMBLE)
Manufactured from an ultrapure bromobutyl formulation with extremely high chemical purity and low gas permeability.
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Polyethylene [ST] Stoppers, Chemglass
Supplier: Chemglass
Inexpensive, tapered stoppers provide a tight, leakproof fit while the top ring permits the stopper to be removed easily
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Assortment of One-Hole Rubber Stoppers
Supplier: United Scientific Supplies
One Pound of One-Hole Rubber Stoppers in Various Sizes.
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2-Hole Natural Rubber Stoppers
Supplier: United Scientific Supplies
These stoppers are made of a superior grade of rubber that has softness, resiliency, and durability.
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Rubber Stoppers, 2 Hole, United Scientific Supplies
Supplier: United Scientific Supplies
These solid black stoppers are made of solid natural rubber that stays pliable over a long period of time.
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BIO-SILICO® Silicone Stoppers, Hirschmann
Supplier: Hirschmann
BIO-SILICO® stoppers are manufactured in a special process which have regular pores, thus making them ideal for the preparation and sterilization of culture media
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Borosil® Pennyhead Stoppers, Clear, Solid, Foxx Life Sciences
Supplier: Foxx Life Sciences
These Borosil® pennyhead stoppers are made of 3.3 borosilate glass.
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Rubber Stopper Assortments, United Scientific Supplies
Supplier: United Scientific Supplies
Convenient assortments of various sizes of rubber stoppers are sold as one-pound bags.
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Synthware Solid Pennyhead [ST] Stoppers, Glass, Kemtech America
Supplier: Kemtech America
Solid glass penny head stopper.
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Synthware Stopper, Cap Design, Kemtech America
Supplier: Kemtech America
Designed for use with an apparatus equipped with an inner opening.
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PYREX® Hollow Full Length [ST] Stoppers, Corning
Supplier: Corning
Hollow, full length stopper closed at the bottom from PYREX®, borosilicate glass.
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KIMBLE® Silicone Stoppers, DWK Life Sciences
Supplier: DWK Life Sciences (KIMBLE)
Designed for use in centrifugal separators and gas sampling tubes. Blind hole stopper features easy syringe penetration.
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Rubber Stoppers
Supplier: United Scientific Supplies
A superior grade of rubber that has softness, resiliency, and durability
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Catalog #: CA21905-026
Supplier: Kimberly-Clark