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VWR International

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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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Description:   Low in free sulfur. Size 5.5 with 5mm diameter hole. Diameter of top: 28mm. Diameter of bottom: 24mm. Length: 25mm.
Catalog Number: 59581-265
Supplier: VWR International


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Description:   Low in free sulfur. Size 8.5 with 5mm diameter hole. Diameter of top: 43mm. Diameter of bottom: 36mm. Length: 25mm.
Catalog Number: 59581-389
Supplier: VWR International


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Description:   XXXX Grade. Tapered, 20mm length. Top diameter: 16mm. Bottom diameter: 12mm. Pack of 100.
Catalog Number: 23420-140
Supplier: VWR International


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Catalog Number: 89097-548
Supplier: VWR International


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Description:   High resiliency, pure gum. Less free sulfur (1/4%) and lower density than standard black rubber stoppers. Added hole facilitates laboratory usage. Size: 12. Diameter of top: 64mm. Bottom: 54mm. Hole diameter: 5mm.
Catalog Number: 59584-354
Supplier: VWR International


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Description:   Elastomer meets JP, PhEur and USP requirements. Size: 20mm.
Catalog Number: 80079-868
Supplier: VWR International



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Description:   High resiliency, pure gum. Less free sulfur (1/4%) and lower density than standard black rubber stoppers. Added hole facilitates laboratory usage. Size: 0. Diameter of top: 17mm. Bottom: 13mm. Hole diameter: 3mm.
Catalog Number: 59584-117
Supplier: VWR International


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Description:   Pure gum. Contain less free sulfur (1/4%) and are less dense than standard black rubber stoppers. Withstand repeated autoclaving. Size: 2. Diameter of top: 20mm. Bottom: 16mm. Length: 25mm.
Catalog Number: 59583-205
Supplier: VWR International


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Description:   Low in free sulfur. Size 4 with 5mm diameter holes. Diameter of top: 26mm. Diameter of bottom: 20mm. Length: 25mm.
Catalog Number: 59582-188
Supplier: VWR International


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Description:   High resiliency, pure gum. Less free sulfur (1/4%) and lower density than standard black rubber stoppers. Holes facilitate laboratory usage. Size: 6. Diameter of top: 32mm. Bottom: 26mm. Hole diameter: 5mm.
Catalog Number: 59585-222
Supplier: VWR International


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Catalog Number: 89097-534
Supplier: VWR International


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Description:   XXXX Grade. Tapered, 24mm length. Top diameter: 19mm. Bottom diameter: 14mm. Pack of 100.
Catalog Number: 23420-184
Supplier: VWR International


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Description:   Twistit*. Three twist-off seals permit easy conversion from a solid to a one, two or three-hole stopper. Soft, resilient, natural, white rubber withstands repeated autoclaving. Size: 9.
Catalog Number: 59586-163
Supplier: VWR International


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Description:   Twistit*. Two twist-off seals permit easy conversion from a solid to a one or two-hole stopper. Soft, resilient, natural, white rubber withstands repeated autoclaving. Size: 3.
Catalog Number: 59586-157
Supplier: VWR International


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Description:   High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 4. Diameter of top: 26mm. Diameter of bottom: 20mm. Length: 25mm.
Catalog Number: 59580-160
Supplier: VWR International


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Description:   (Vstopt) Made Of Stretchable Natural Rubber For Use With Glass Stoppers. Holds Stopper To Bottle Neck To Prevent Loss When Not In Use. Also Useful For Keeping Stopcock Plug With Stored Buret. Loop (9.5Mm I.D.) In Each End Of Tie. Tie Is Approximately 10Cm Long.
Catalog Number: 15001-372
Supplier: VWR International


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