You Searched For: VWR International

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: 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

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: (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

Small Business Enterprise


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: 7.
Catalog Number: 59586-161
Supplier: VWR International

Small Business Enterprise


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

Small Business Enterprise


Description: XXXX Grade. Tapered, 25mm length. Top diameter: 21mm. Bottom diameter: 16mm. Pack of 500.
Catalog Number: 23420-210
Supplier: VWR International

Low Manufacturing Impact


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


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


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


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


Catalog Number: 89097-548
Supplier: VWR International

Small Business Enterprise


Catalog Number: 89097-550
Supplier: VWR International

Description: VWR* Black Rubber Stoppers, Solid High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 14. Diameter of top: 90mm. Diameter of bottom: 75mm. Length: 39mm.
Catalog Number: 59580-524
Supplier: VWR International

Small Business Enterprise


Description: Pure gum. Contain less free sulfur (1/4%) and are less dense than standard black rubber stoppers. Withstand repeated autoclaving. Size: 12. Diameter of top: 64mm. Bottom: 54mm. Length: 25mm.
Catalog Number: 59583-409
Supplier: VWR International

Small Business Enterprise


Description: XXXX Grade. Tapered, 31mm length. Top diameter: 25mm. Bottom diameter: 20mm. Pack of 100.
Catalog Number: 23420-264
Supplier: VWR International

Low Manufacturing Impact


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

Small Business Enterprise


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