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Rubber Stoppers

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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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Catalog Number: 470201-232
Supplier: Plasticoid



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Description:   Provides complete tightness on glass, metal or plastic container regardless of their rims. The turnover is molded to grip the outside of the container neck, providing a double seal in conjunction with the annular serrations on the hollow plug.
Catalog Number: 66111-342
Supplier: Saint Gobain Life Sciences



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Description:   Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 14, Top Diameter: 90 mm, Bottom Diameter: 75 mm, 1lb
Catalog Number: 76293-762
Supplier: United Scientific Supplies



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Description:   Neoprene Stopper, solid, Synthetic, color: Synthetic green, contain no free sulfur and exhibit good resiliency and shelf-life, can be used in areas where rubber would be attacked by reagents, size: 4, Top Diameter: 26 mm, Bottom Diameter: 20 mm, 30lb
Catalog Number: 76293-780
Supplier: United Scientific Supplies



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Description:   Neoprene Stopper, solid, Synthetic, color: Synthetic green, contain no free sulfur and exhibit good resiliency and shelf-life, can be used in areas where rubber would be attacked by reagents, size: 5.5, Top Diameter: 28 mm, Bottom Diameter: 24 mm, 21lb
Catalog Number: 76293-784
Supplier: United Scientific Supplies



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Description:   Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 6, Top Diameter: 32 mm, Bottom Diameter: 26 mm, 18lb
Catalog Number: 76293-734
Supplier: United Scientific Supplies



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Description:   Rubber Stopper, 1 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 8, Top Diameter: 41 mm, Bottom Diameter: 33 mm, 10lb
Catalog Number: 76293-692
Supplier: United Scientific Supplies



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Description:   Lyophilization Stoppers Manufactured from the highest quality raw materials, fit mouth ID 7mm x OD 13mm, Gray chlorobutyl/50
Catalog Number: 101412-426
Supplier: Electron Microscopy Sciences


Minority or Woman-Owned Business Enterprise

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Description:   Stopper, with 1 hole, 5 mm dia, Size of 7, solid bottom, Colour: Blue, recommended by ASTM std, neoprene rubber, use petroleum products, inorganic acids, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 30mm, Top 37mm, Length 25mm
Catalog Number: 470310-788
Supplier: Wards



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Description:   Lyophilization Stoppers Manufactured from the highest quality raw materials, fit mouth ID 13mm x OD 20mm, Gray chlorobutyl/50
Catalog Number: 101412-430
Supplier: Electron Microscopy Sciences


Minority or Woman-Owned Business Enterprise

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Description:   Rubber Stopper, Color: Black, Stays pliable over a long period of time, For use with non-aggressive or concentrated solutions, Low sulfur content, Withstand temperatures from -25 to 70deg C, Approx. No. Per Lb: 16, Dimension: 34x27mm, Hole: 5mm, Size: 6.5
Catalog Number: 470104-471
Supplier: United Scientific Supplies



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Description:   Rubber Stopper, solid, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient and pliable for a long time, Low in free sulfur, without hardening, size: 9.5, Top Diameter: 46 mm, Bottom Diameter: 38 mm9lb
Catalog Number: 76293-502
Supplier: United Scientific Supplies



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Catalog Number: 470003-668
Supplier: Plasticoid



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Description:   Neoprene Stopper, solid, Synthetic, color: Synthetic green, contain no free sulfur and exhibit good resiliency and shelf-life, can be used in areas where rubber would be attacked by reagents, size: 10, Top Diameter: 50 mm, Bottom Diameter: 42 mm, 8lb
Catalog Number: 76293-796
Supplier: United Scientific Supplies



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Description:   Rubber Stopper, 1 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 11, Top Diameter: 56 mm, Bottom Diameter: 48 mm, 6lb
Catalog Number: 76293-704
Supplier: United Scientific Supplies



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Description:   Rubber Stopper, 2 Hole, color: black, contain a high percentage of pure rubber and weigh less than neoprene, Resilient/pliable for a long time, Low in free sulfur, Can withstand adverse laboratory, size: 6.5, Top Diameter: 34 mm, Bottom Diameter: 27 mm, 16lb
Catalog Number: 76293-736
Supplier: United Scientific Supplies



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