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Stoppers

1,086  results were found
Stoppers

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:   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, Top Diameter: 45 mm, Bottom Diameter: 37 mm9lb
Catalog Number: 76293-500
Supplier: United Scientific Supplies



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Description:   Straight plug rubber stoppers, durameter 45
Catalog Number: 89168-268
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, Top Diameter: 41 mm, Bottom Diameter: 33 mm, 10lb
Catalog Number: 76293-692
Supplier: United Scientific Supplies



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Description:   Joint size: 24/40.
Catalog Number: 80071-926
Supplier: Chemglass


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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: 12, Top Diameter: 64 mm, Bottom Diameter: 54 mm, 5lb
Catalog Number: 76293-708
Supplier: United Scientific Supplies



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Description:   , size no. 16, tapered with ridges enhancing leak resistance, flat octagonal top with diameter larger than the flask's neck for better handling and excellent breakage protection
Catalog Number: 89085-178
Supplier: Hirschmann



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Description:   Solid; color-coded blue. Standard taper size 16 with 15.0mm ground length.
Catalog Number: 89000-834
Supplier: DWK Life Sciences (KIMBLE)



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Description:   Solid; color-coded black. Standard taper size 9 with 14.0mm ground length.
Catalog Number: 89000-830
Supplier: DWK Life Sciences (KIMBLE)



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Catalog Number: 470204-426
Supplier: Manton Industrial


Low Manufacturing Impact

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Description:   Solid color-coded key-head. [standard taper] flask length. [standard taper] Stopper Size; 19. Approx. Diameter at Large End (mm); 19.7. Length of Ground Zone (mm); 17.0. Color Code; Green Used with flasks, mixing cylinders, separatory funnels, etc.
Catalog Number: 89000-836
Supplier: DWK Life Sciences (KIMBLE)



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Description:   Flask length PTFE* stopper with color coded handle.# 16 Blue
Catalog Number: 89029-076
Supplier: Chemglass


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Description:   , size no. 19, tapered with ridges enhancing leak resistance, flat octagonal top with diameter larger than the flask's neck for better handling and excellent breakage protection
Catalog Number: 89085-180
Supplier: Hirschmann



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Catalog Number: 470104-132
Supplier: Manton Industrial


Low Manufacturing Impact

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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)


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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: 10.5, Top Diameter: 53 mm, Bottom Diameter: 45 mm, 7lb
Catalog Number: 76293-702
Supplier: United Scientific Supplies



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Description:   Key head, medium length, with solid PTFE stopper, size 27, Ø at large end 27.15 mm, length of ground zone 21.5 mm
Catalog Number: 10135-808
Supplier: DWK Life Sciences (KIMBLE)



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