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Stoppers

1,086  results were found
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:   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:   (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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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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Catalog Number: 89097-540
Supplier: VWR International



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Description:   High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 8. Diameter of top: 41mm. Diameter of bottom: 33mm. Length: 25mm.
Catalog Number: 59580-309
Supplier: VWR International



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Description:   High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 6. Diameter of top: 32mm. Diameter of bottom: 26mm. Length: 25mm.
Catalog Number: 59580-229
Supplier: VWR International



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Description:   Low in free sulfur. Size 2 with 5mm diameter holes. Diameter of top: 20mm. Diameter of bottom: 16mm. Length: 25mm.
Catalog Number: 59582-144
Supplier: VWR International



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Description:   XXXX Grade. Tapered, 28mm length. Top diameter: 24mm. Bottom diameter: 18mm. Pack of 100.
Catalog Number: 23420-242
Supplier: VWR International


Low Manufacturing Impact

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Description:   XXXX Grade. Tapered, 22mm length. Top diameter: 17mm. Bottom diameter: 13mm. Pack of 500.
Catalog Number: 23420-173
Supplier: VWR International


Low Manufacturing Impact

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Description:   Low in free sulfur. Size 13 with 5mm diameter hole. Diameter of top: 68mm. Diameter of bottom: 58mm. Length: 25mm.
Catalog Number: 59581-549
Supplier: VWR International


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Description:   (TW-ASSORT) Twistit*. Twist-off seals permit easy conversion from a solid to a one, two or three-hole stopper. Soft, resilient, white rubber withstands autoclaving. Assortment contains nine size 3 stoppers, eight 4's, six 5's, four 6's, two 7's, two 8's, one 9, and one 10.
Catalog Number: 59586-167
Supplier: VWR International


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Description:   Low in free sulfur. Size 7 with 5mm diameter holes. Diameter of top: 37mm. Diameter of bottom: 30mm. Length: 25mm.
Catalog Number: 59582-280
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: 10. Diameter of top: 50mm. Bottom: 42mm. Hole diameter: 5mm.
Catalog Number: 59584-310
Supplier: VWR International


Small Business Enterprise

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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: 8. Diameter of top: 41mm. Bottom: 33mm. Length: 25mm.
Catalog Number: 59583-329
Supplier: VWR International


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Catalog Number: 59580-322
Supplier: VWR International



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Description:   Contain no free sulfur and exhibit good resiliency. Withstand petroleum products and oils as well as most inorganic acids and bases. Size: 11. Diameter of top: 56mm. Bottom: 48mm. Length 25mm.
Catalog Number: 59589-336
Supplier: VWR International



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Description:   Low in free sulfur. Size 0 with 3mm diameter hole. Diameter of top: 17mm. Diameter of bottom: 13mm. Length: 25mm.
Catalog Number: 59581-141
Supplier: VWR International


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Description:   Contain no free sulfur and exhibit good resiliency. Withstand petroleum products and oils as well as most inorganic acids and bases. Size: 13. Diameter of top: 68mm. Bottom: 58mm. Length 25mm.
Catalog Number: 59589-370
Supplier: VWR International


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Description:   Low in free sulfur. Size 000 with 3mm diameter hole. Diameter of top: 13mm. Diameter of bottom: 8mm. Length: 21mm.
Catalog Number: 59581-108
Supplier: VWR International


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Description:   XXXX Grade. Tapered, 31mm length. Top diameter: 30mm. Bottom diameter: 25mm. Pack of 100.
Catalog Number: 23420-322
Supplier: VWR International


Low Manufacturing Impact

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Certificate Certificates    
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Description:   XXXX Grade. Tapered, 38mm length with cemented construction. Top diameter: 54mm. Bottom diameter: 47mm. Pack of 100.
Catalog Number: 23420-559
Supplier: VWR International


Low Manufacturing Impact

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Description:   Low in free sulfur. Size 15 with 5mm diameter holes. Diameter of top: 103mm. Diameter of bottom: 83mm. Length: 39mm.
Catalog Number: 59582-563
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: 7. Diameter of top: 37mm. Bottom: 30mm. Length: 25mm.
Catalog Number: 59583-307
Supplier: VWR International


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Catalog Number: 89097-542
Supplier: VWR International



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Catalog Number: 89097-550
Supplier: VWR International



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Certificate Certificates    
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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, 25mm length. Top diameter: 21mm. Bottom diameter: 16mm. Pack of 100.
Catalog Number: 23420-209
Supplier: VWR International


Low Manufacturing Impact

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Certificate Certificates    
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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: 00. Diameter of top: 15mm. Bottom: 10mm. Length: 25mm.
Catalog Number: 59583-147
Supplier: VWR International


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Description:   Low in free sulfur. Size 9 with 5mm diameter holes. Diameter of top: 45mm. Diameter of bottom: 37mm. Length: 25mm.
Catalog Number: 59582-360
Supplier: VWR International


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Description:   Contain no free sulfur and exhibit good resiliency. Withstand petroleum products and oils as well as most inorganic acids and bases. Size: 10. Diameter of top: 50mm. Bottom: 42mm. Length 25mm.
Catalog Number: 59589-314
Supplier: VWR International


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Catalog Number: 89097-548
Supplier: VWR International


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