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Stoppers

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.

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Rubber Stoppers, 2 Hole, United Scientific Supplies

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

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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Rubber Stopper Assortments, United Scientific Supplies

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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Borosil® Pennyhead Stoppers, Clear, Solid, Foxx Life Sciences

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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PYREX® Hollow Full Length [ST] Stoppers, Corning

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

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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Synthware Solid Pennyhead [ST] Stoppers, Glass, Kemtech America

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

Synthware Stopper, Cap Design, Kemtech America

Supplier: Kemtech America

Designed for use with an apparatus equipped with an inner opening.

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Rubber Stoppers, 1 Hole, United Scientific Supplies

Rubber Stoppers, 1 Hole, United Scientific Supplies

Supplier: United Scientific Supplies

Solid, black stoppers contain a high percentage of pure rubber and weigh less than neoprene.

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Polypropylene Stoppers

Polypropylene Stoppers

Supplier: Wards

These lightweight and durable polypropylene stoppers are acid proof and autoclavable.

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Stoppers, Penny-Head, Glass, Solid, Chemscience

Stoppers, Penny-Head, Glass, Solid, Chemscience

Supplier: CHEM SCIENCE INC CA

Solid penny head glass stoppers are with an interchangeable ground joint.

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Stoppers/Adapters, Extraction Nut, 3/4" NPT, Chemglass

Stoppers/Adapters, Extraction Nut, 3/4" NPT, Chemglass

Supplier: Chemglass

PTFE stopper adapter is similar to CG-3002-L but with the addition of one female NPT port in the center.

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Synthware PTFE Stoppers, Solid and Hollow

Synthware PTFE Stoppers, Solid and Hollow

Supplier: Kemtech America

PTFE stopper features a nylon extraction nut that permits easy removal of the stopper from the glass outer joint.

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Flathead Stoppers, Color-Coded, [ST] Bottle and Apparatus Style, Kimble Chase

Flathead Stoppers, Color-Coded, [ST] Bottle and Apparatus Style, Kimble Chase

Supplier: DWK Life Sciences (KIMBLE)

Use these flathead PTFE stoppers with bottles and ground jointed ware

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Regular Length Cork Assortments

Regular Length Cork Assortments

Supplier: Manton Industrial

Each package contains 100 corks of assorted sizes in the range indicated.

 

    
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Threaded Stopper for FireflySci Type 701M/701MFL Cuvettes

Threaded Stopper for FireflySci Type 701M/701MFL Cuvettes

Supplier: FIREFLYSCI, INC.

Designed for use with Type 701M/701MFL cuvettes from FireflySci.

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