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Stoppers

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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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Catalog Number: 89097-548
Supplier: VWR International


Small Business Enterprise

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Description:   Low in free sulfur. Size 6.5 with 5mm diameter holes. Diameter of top: 34mm. Diameter of bottom: 27mm. Length: 25mm.
Catalog Number: 59582-268
Supplier: VWR International


Small Business Enterprise

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Description:   Designed to fit 800ml flasks. Low free-sulfur content (1/2%), lower density than neoprene, and excellent resiliency and pliability. 8mm diameter hole; 39mm top diameter; 28mm bottom diameter; 35mm length.
Catalog Number: 59587-501
Supplier: VWR International


Small Business Enterprise

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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


Low Manufacturing Impact

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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


Small Business Enterprise

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Description:   XXXX grade. Regular length taper. Assorted, sizes 12-26.
Catalog Number: 23417-000
Supplier: VWR International


Low Manufacturing Impact

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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


Small Business Enterprise

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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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Certificate Certificates    
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Description:   XXXX Grade. Tapered, 38mm length. Top diameter: 38mm. Bottom diameter: 30mm. Pack of 100.
Catalog Number: 23420-435
Supplier: VWR International


Low Manufacturing Impact

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Description:   XXXX Grade. Tapered, 38mm length with cemented construction. Top diameter: 47mm. Bottom diameter: 40mm. Pack of 10.
Catalog Number: 23420-504
Supplier: VWR International


Low Manufacturing Impact

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Description:   XXXX Grade. Tapered, 38mm length with cemented construction. Top diameter: 47mm. Bottom diameter: 40mm. Pack of 100.
Catalog Number: 23420-515
Supplier: VWR International


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Certificate Certificates    
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Description:   Green neoprene stopper. Size: #5.5.
Catalog Number: 59580-560
Supplier: VWR International


Small Business Enterprise

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Description:   VWR* Black Rubber Stoppers, Solid High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 000. Diameter of top: 13mm. Diameter of bottom: 8mm. Length: 21mm.
Catalog Number: 59580-047
Supplier: VWR International


Small Business Enterprise

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Description:   High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 10.5. Diameter of top: 53mm. Diameter of bottom: 45mm. Length: 25mm.
Catalog Number: 59580-400
Supplier: VWR International



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Description:   High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 13. Diameter of top: 68mm. Diameter of bottom: 58mm. Length: 25mm.
Catalog Number: 59580-488
Supplier: VWR International


Small Business Enterprise

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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: 2. Diameter of top: 20mm. Bottom: 16mm. Length 25mm.
Catalog Number: 59589-154
Supplier: VWR International


Small Business Enterprise

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Description:   XXXX Grade. Tapered, 26mm length. Top diameter: 22mm. Bottom diameter: 17mm. Pack of 100.
Catalog Number: 23420-220
Supplier: VWR International


Low Manufacturing Impact

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Description:   Low in free sulfur. Size 00 with 3mm diameter hole. Diameter of top: 15mm. Diameter of bottom: 10mm. Length: 25mm.
Catalog Number: 59581-120
Supplier: VWR International


Small Business Enterprise

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Description:   Low in free sulfur. Size 1 with 4mm diameter hole. Diameter of top: 19mm. Diameter of bottom: 14mm. Length: 25mm.
Catalog Number: 59581-163
Supplier: VWR International


Small Business Enterprise

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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: 12. Diameter of top: 64mm. Bottom: 54mm. Hole diameter: 5mm.
Catalog Number: 59585-346
Supplier: VWR International


Small Business Enterprise

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Description:   XXXX Grade. Tapered, 18mm length. Top diameter: 14mm. Bottom diameter: 11mm. Pack of 500.
Catalog Number: 23420-130
Supplier: VWR International


Low Manufacturing Impact

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Description:   VWR STOPPER RUB 2HOLE 12 PK6
Catalog Number: 59582-484
Supplier: VWR International



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Description:   High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 15. Diameter of top: 103mm. Diameter of bottom: 83mm. Length: 39mm.
Catalog Number: 59580-546
Supplier: VWR International


Small Business Enterprise

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Description:   XXXX Grade. Tapered, 31mm length. Top diameter: 28mm. Bottom diameter: 23mm. Pack of 100.
Catalog Number: 23420-300
Supplier: VWR International


Low Manufacturing Impact

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Description:   Low in free sulfur. Size 9.5 with 5mm diameter hole. Diameter of top: 46mm. Diameter of bottom: 38mm. Length: 25mm.
Catalog Number: 59581-425
Supplier: VWR International


Small Business Enterprise

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Description:   XXXX Grade. Tapered, 22mm length. Top diameter: 17mm. Bottom diameter: 13mm. Pack of 100.
Catalog Number: 23420-162
Supplier: VWR International


Low Manufacturing Impact

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Description:   XXXX Grade. Tapered, 12mm length. Top diameter: 6mm. Bottom diameter: 4mm. Pack of 100.
Catalog Number: 23420-027
Supplier: VWR International


Low Manufacturing Impact

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Description:   High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 11.5. Diameter of top: 63mm. Diameter of bottom: 50mm. Length: 25mm.
Catalog Number: 59580-444
Supplier: VWR International


Small Business Enterprise

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Description:   XXXX Grade. Tapered, 12mm length. Top diameter: 6mm. Bottom diameter: 4mm. Pack of 500.
Catalog Number: 23420-038
Supplier: VWR International


Low Manufacturing Impact

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Description:   XXXX Grade. Tapered, 13mm length. Top diameter: 8mm. Bottom diameter: 6mm. Pack of 500.
Catalog Number: 23420-050
Supplier: VWR International


Low Manufacturing Impact

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Description:   XXXX grade. Regular length taper. Assorted, sizes 0-11.
Catalog Number: 23416-008
Supplier: VWR International


Low Manufacturing Impact

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Description:   XXXX Grade. Tapered, 38mm length with cemented construction. Top diameter: 50mm. Bottom diameter: 44mm. Pack of 10.
Catalog Number: 23420-526
Supplier: VWR International


Low Manufacturing Impact

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