You Searched For: 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.

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: Designed to fit 500ml flasks. Low free-sulfur content (1/2%), lower density than neoprene, and excellent resiliency and pliability. 8mm diameter hole; 32mm top diameter; 26mm bottom diameter; 34mm length.
Catalog Number: 59587-400
Supplier: VWR International

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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


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: Made of soft red natural rubber. Dimensions: 12.7 (top) x 3 (bottom) x 50Lmm. Length may be cut to fit openings from 4mm to 12mm in diameter.
Catalog Number: 59580-001
Supplier: VWR International

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Catalog Number: 59586-300
Supplier: VWR International

Small Business Enterprise


Description: Low in free sulfur. Size 7.5 with 5mm diameter hole. Diameter of top: 39mm. Diameter of bottom: 31mm. Length: 25mm.
Catalog Number: 59581-345
Supplier: VWR International

Small Business Enterprise


Description: High resiliency, pure gum. Less free sulfur (1/4%) and lower density than standard black rubber stoppers. Added hole facilitates laboratory usage. Size: 11. Diameter of top: 56mm. Bottom: 48mm. Hole diameter: 5mm.
Catalog Number: 59584-332
Supplier: VWR International

Small Business Enterprise


Description: High resiliency, pure gum. Less free sulfur (1/4%) and lower density than standard black rubber stoppers. Added hole facilitates laboratory usage. Size: 2. Diameter of top: 20mm. Bottom: 16mm. Hole diameter: 5mm.
Catalog Number: 59584-150
Supplier: VWR International

Small Business Enterprise


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: 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

Small Business Enterprise


Description: High resiliency, pure gum. Less free sulfur (1/4%) and lower density than standard black rubber stoppers. Added hole facilitates laboratory usage. Size: 3. Diameter of top: 24mm. Bottom: 18mm. Hole diameter: 5mm.
Catalog Number: 59584-172
Supplier: VWR International

Small Business Enterprise


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: 4.
Catalog Number: 59586-158
Supplier: VWR International

Small Business Enterprise


Description: Low in free sulfur. Size 11 with 5mm diameter hole. Diameter of top: 56mm. Diameter of bottom: 48mm. Length: 25mm.
Catalog Number: 59581-480
Supplier: VWR International

Small Business Enterprise


Description: Low in free sulfur. Size 9 with 5mm diameter hole. Diameter of top: 45mm. Diameter of bottom: 37mm. Length: 25mm.
Catalog Number: 59581-403
Supplier: VWR International

Small Business Enterprise


Description: Low in free sulfur. Size 2 with 5mm diameter hole. Diameter of top: 20mm. Diameter of bottom: 16mm. Length: 25mm.
Catalog Number: 59581-185
Supplier: VWR International

Small Business Enterprise


Description: Low in free sulfur. Size 10.5 with 5mm diameter hole. Diameter of top: 53mm. Diameter of bottom: 45mm. Length: 25mm.
Catalog Number: 59581-469
Supplier: VWR International

Small Business Enterprise


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