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: 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


Description: High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 1. Diameter of top: 19mm. Diameter of bottom: 14mm. Length: 25mm.
Catalog Number: 59580-105
Supplier: VWR International

Small Business Enterprise


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


Description: XXXX Grade. Tapered, 24mm length. Top diameter: 19mm. Bottom diameter: 14mm. Pack of 500.
Catalog Number: 23420-195
Supplier: VWR International

Low Manufacturing Impact


Description: Low in free sulfur. Size 3 with 5mm diameter hole. Diameter of top: 24mm. Diameter of bottom: 18mm. Length: 25mm.
Catalog Number: 59581-200
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: 8. Diameter of top: 41mm. Bottom: 33mm. Hole diameter: 5mm.
Catalog Number: 59584-274
Supplier: VWR International

Small Business Enterprise


Catalog Number: 89097-552
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: 2. Diameter of top: 20mm. Bottom: 16mm. Length: 25mm.
Catalog Number: 59583-205
Supplier: VWR International

Small Business Enterprise


Description: High percentage of pure rubber; weigh less than neoprene; low in free sulfur (1/2%). Size: 3. Diameter of top: 24mm. Diameter of bottom: 18mm. Length: 25mm.
Catalog Number: 59580-149
Supplier: VWR International

Small Business Enterprise


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


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


Catalog Number: 89097-544
Supplier: VWR International


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: Low in free sulfur. Size 5 with 5mm diameter holes. Diameter of top: 27mm. Diameter of bottom: 23mm. Length: 25mm.
Catalog Number: 59582-202
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: 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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