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Test/Sample Tube Closures

1,002  results were found
Test/Sample Tube Closures

Test tube closures ensure samples do not leak or are contaminated by providing a reliable seal. Securely mix or store small samples with these tops that allow one-handed sealing. Offered in a variety of colors, identification is made easier. Closures come in screw and snug-fit plug designs to fit any test tube opening style. Resistant to high temperatures, the versatile test tube closures can withstand heating applications while the chemical resistance guarantees limitless sample compatibility.


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Description:   Microcentrifuge Tube Flat Top Cap With O-Ring Seal. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Brown
Catalog Number: 89499-214
Supplier: Simport Scientific



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Description:   For blood collection and glass or plastic test tubes. Seals inside rim of 12mm or 13mm tubes, and seals outside rim of 10mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. White.
Catalog Number: 28296-610
Supplier: Thermo Fisher Scientific



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Description:   Screw cap for internal thread sample tube, with/without silicone washer between cap/tube to ensure a positive leakproof seal at all temperatures, Material: Polypropylene, Autoclavable, long skirt and super-fast thread design, removed or screwed on with 1 1/4turn, Colour: Green
Catalog Number: 75799-288
Supplier: Simport Scientific



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Description:   10 w/weights, 10 w/out. When a Weighted Closure is used in conjunction with a regular closure, a vertical position of the dialysis tubing is achieved, increasing the rate of dialysis.
Catalog Number: 25224-158
Supplier: Spectrum Laboratories


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Catalog Number: 76458-104
Supplier: Simport Scientific



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Description:   Diamond Culture Tube Cap, Material: Molded from durable, autoclavable polypropylene, Color: Green, For 25mm Glass Culture Tubes, Ridges inside cap provide secure grip/ gas exchange, Fit plain end culture tubes, flasks, Maintain sterility without cotton plugging
Catalog Number: 76184-804
Supplier: Globe Scientific



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Description:   For blood collection and glass or plastic test tubes. Seals inside rim of 12mm or 13mm tubes, and seals outside rim of 10mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. Yellow.
Catalog Number: 28296-612
Supplier: Thermo Fisher Scientific



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Description:   Black. Nylon closure locks gently over rigid membranes such as cellulose ester (CE) and polyvinylidene fluoride (type F). Provides strong, leak-proof seal. Sinks in water. Can be sterilized with gamma radiation, ethylene oxide, ethanol, or formaldehyde. Not autoclavable.
Catalog Number: 25225-310
Supplier: Spectrum Laboratories


Small Business Enterprise

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Description:   CLOSURE SILC SPONGE 13MM PK10
Catalog Number: 89167-092
Supplier: Chemglass


Small Business Enterprise

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Catalog Number: 76514-464
Supplier: Caplugs



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Catalog Number: 33502-066
Supplier: Chemglass


Small Business Enterprise

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Description:   With red ptfe-faced silicone septa,gpi thread finish: 13-425,septa: pre-slit, color: black,case of 1000
Catalog Number: 89201-904
Supplier: DWK Life Sciences (KIMBLE)



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Description:   With red ptfe-faced silicone septa,gpi thread finish: 9-425,septa: pre-slit, color: blue,case of 1000
Catalog Number: 89201-900
Supplier: DWK Life Sciences (KIMBLE)



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Description:   Phenolic resin screw cap with rubber liner. For use with 40mL conical-bottom centrifuge tube (21052-024). Withstands effects of repeated autoclaving. Meets ASTM E982, Class A requirements.
Catalog Number: 89001-496
Supplier: DWK Life Sciences (KIMBLE)



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Description:   Are an effective way to recap blood drawing tubes, Glass test tubes and plastic culture tubes. precision molded from ldpe and maintain a tight seal during centrifugation, agitation and refrigeration procedures, 16mm, pe, for 16mm Glass and evacuated tubes, white.
Catalog Number: 10040-032
Supplier: Globe Scientific



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Description:   Disposable. Serve as a closure for KIM-RAK* culture tube systems or other culture tubes of comparable sizes. Autoclavable. For tube OD 13mm. Yellow.
Catalog Number: 16199-005
Supplier: DWK Life Sciences (KIMBLE)



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Catalog Number: 76538-870
Supplier: Globe Scientific



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Description:   Size; 38-430. Approx. Cap Height (mm); 26 Cap is made of a special phenolic material (mineral filled) to withstand the effects of repeated autoclaving.
Catalog Number: 89001-500
Supplier: DWK Life Sciences (KIMBLE)



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Catalog Number: 76538-878
Supplier: Globe Scientific



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Description:   SCREW CAP WITH O-RING, GRAY
Catalog Number: 10028-126
Supplier: Globe Scientific



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Catalog Number: 76514-452
Supplier: Caplugs



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Description:   SCREWCAP W/ O-RING WHITE
Catalog Number: 89501-444
Supplier: Globe Scientific



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Catalog Number: 76514-424
Supplier: Caplugs



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Description:   Snap Cap for 12/13 mm Tubes
Catalog Number: 89206-994
Supplier: Globe Scientific


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Description:   Feature imbedded fluoropolymer resin-coated magnetic weight. Sink in water. Provide slow spin movement of membrane when used with magnetic stir plate. No additional stirring bar required to maintain continuous motion. Not for use with CE or PVDF tubing.
Catalog Number: 25224-170
Supplier: Spectrum Laboratories


Small Business Enterprise

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Description:   Flat screw cap
Catalog Number: 10836-088
Supplier: Starplex



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Description:   12Mm
Catalog Number: 89498-522
Supplier: Samco



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Description:   SCREW CAP WITH O-RING, LILAC
Catalog Number: 10028-130
Supplier: Globe Scientific



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Description:   Ideal for resealing most 16mm evacuated glass blood collection tubes. Thumb tab for easy on/off. Caution: Not to be used with glass culture tubes. Designed for glass blood collection tubes.
Catalog Number: 15070-044
Supplier: Cardinal Health



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Catalog Number: 75820-806
Supplier: Chemglass



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Catalog Number: 76514-428
Supplier: Caplugs



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Description:   Pierce-It* Closure, 12mm red, Made of thermoplastic elastomer, These disposable closures produce a firm, leak-resistant seal for glass and plastic tubes, They will protect samples from evaporation and contamination
Catalog Number: 10127-360
Supplier: Simport Scientific



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