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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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Description:   20mm 2-Leg Lyophilization stopper is made from gray chlorobutyl. It can be used on any serum bottle or vial with a 20mm OD. Packaged 1000 per case.
Catalog Number: 89079-400
Supplier: DWK Life Sciences (KIMBLE)


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Description:   White. Size: 14/20.
Catalog Number: 33501-388
Supplier: Chemglass


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Description:   Fits 24/25-24/40 joints. Fits 20.5mm ID tubing.
Catalog Number: 80062-448
Supplier: Chemglass


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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: 16, Top Diameter: 127 mm, Bottom Diameter: 90 mm1lb
Catalog Number: 76293-664
Supplier: United Scientific Supplies



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Description:   Lyophilization style, slotted stopper for aluminum seals. Fits aluminum seal finish 13.
Catalog Number: 66010-865
Supplier: DWK Life Sciences (KIMBLE)



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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: 8.5, Top Diameter: 43 mm, Bottom Diameter: 36 mm, 10lb
Catalog Number: 76293-694
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: 7, Top Diameter: 37 mm, Bottom Diameter: 30 mm, 13lb
Catalog Number: 76293-688
Supplier: United Scientific Supplies



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Description:   Stopper, Straight Plug, Ultra Pure Mouth ID x OD (mm): 13 x 20, Stopper/Rubber Material: Gray Bromobutyl, Stopper Style: Straight Plug, Durometer: 47, Autoclavable, with extremely high chemical purity and low gas permeability
Catalog Number: 10796-552
Supplier: DWK Life Sciences (KIMBLE)



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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: 11, Top Diameter: 56 mm, Bottom Diameter: 48 mm6lb
Catalog Number: 76293-508
Supplier: United Scientific Supplies



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Description:   Stopper, Igloo Ultra Pure, Mouth ID x OD (mm): 7 x 13, Stopper/rubber Material: Gray Bromobutyl - Ultra Pure Formulation, Stopper Style: Igloo, Durometer: 46, Style: Lyophilization, Autoclavable, with extremely high chemical purity and low gas permeability
Catalog Number: 10796-554
Supplier: DWK Life Sciences (KIMBLE)



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Catalog Number: 470123-294
Supplier: United Scientific Supplies



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Description:   20mm. Gray butyl 3-leg lyophilization stoppers are for use with Wheaton screw neck diagnostic bottles. Use stoppers in conjuction with open-top caps (240716-01 series) or closed-top caps (240706-01 series).
Catalog Number: 15507-144
Supplier: DWK Life Sciences (KIMBLE)


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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: 11.5, Top Diameter: 63 mm, Bottom Diameter: 50 mm6lb
Catalog Number: 76293-510
Supplier: United Scientific Supplies



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Description:   Stopper, with 1 hole, 5 mm dia, Size of 6, 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: 26mm, Top 32mm, Length 25mm
Catalog Number: 470310-602
Supplier: Wards



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Description:   Sleeve stoppers are plug stoppers with fold-over skirts. Used on serum vials and other crimp-finish containers that do not require aluminum seal. 10x20MM, Case of 1000.
Catalog Number: 89047-006
Supplier: DWK Life Sciences (KIMBLE)


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Description:   Stopper, solid bottom, Size of 6, Colour: Blue, ASTM std, from long lasting neoprene rubber, use with petroleum products, minerals, oils, inorganic acids and bases, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 26mm, Top 32mm, Length 25mm
Catalog Number: 470310-600
Supplier: Wards



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