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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, rubber stoppers are often autoclavable for repeated use. The inserting closures are available in any diameter size to securely fit any desired equipment.

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, rubber stoppers are often autoclavable for repeated use. The inserting closures are available in any diameter size to securely fit any desired equipment.


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Catalog Number: 89168-268
Supplier: DWK Life Sciences (KIMBLE)

Catalog Number: 470005-742
Supplier: United Scientific Supplies


Catalog Number: 470005-744
Supplier: United Scientific Supplies


Description: Heavy wall construction designed for lyophilization and freeze-drying. Manufactured from Wheaton-33 low extractable borosilicate glass (meets ASTM Type I Class A and USP Type I standards). Stoppers and accessories listed below.
Catalog Number: 16171-680
Supplier: DWK Life Sciences (KIMBLE)

Catalog Number: 470123-290
Supplier: United Scientific Supplies


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)

Catalog Number: 470123-296
Supplier: United Scientific Supplies


Description: 3 LEG LYO(13X20)GRAY BTYL, SLZD
Catalog Number: 89107-780
Supplier: DWK Life Sciences (KIMBLE)

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Description: 2-Leg or 2-prong gray butyl rubber. case consists of 10 bags of 100 stoppers totaling 1000 pieces.
Catalog Number: 71000-060
Supplier: DWK Life Sciences (KIMBLE)

Catalog Number: 470201-232
Supplier: Plasticoid


Catalog Number: 470003-668
Supplier: Plasticoid


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

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)

Description: High quality gray chlorobutyl stoppers are used for research and pharmaceutical packaging applications. Universal gray formulation passes Japanese, European and US pharmacepia testing for globally marketed pharmaceutical.
Catalog Number: 66004-008
Supplier: DWK Life Sciences (KIMBLE)

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: 9, Top Diameter: 45 mm, Bottom Diameter: 37 mm, 9lb
Catalog Number: 76293-696
Supplier: United Scientific Supplies


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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