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Rubber Stoppers

517  results were found
Rubber Stoppers

With a high material purity, rubber stoppers and bungs are lightweight options to seal containers or apparatuses. Solid styles do not permit any gas exchange in order to protect ultra-sensitive contents, while holed options support unexposed processing. Retaining the characteristic softness even under testing conditions, solid rubber stoppers are often autoclavable for repeated use. The inserting closures are available in any diameter size to securely fit any desired equipment including test tubes.


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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: 6. Diameter of top: 32mm. Bottom: 26mm. Hole diameter: 5mm.
Catalog Number: 59585-222
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: 2. Diameter of top: 20mm. Bottom: 16mm. Length: 25mm.
Catalog Number: 59583-205
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:   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


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Catalog Number: 59580-322
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: 8. Diameter of top: 41mm. Bottom: 33mm. Length: 25mm.
Catalog Number: 59583-329
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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