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Test/Sample Tube Closures

1,003  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:   Made of polyethylene. Seal tubes tightly for storage. Can be used with rows of tubes or cut apart for individual samples. For 0.75 and 1.2mL tubes.
Catalog Number: 46300-540
Supplier: Thermo Scientific



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



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Description:   Microcentrifuge Tube Cap With O-Ring Seal Design And Attachment Loop. Use With T345 For Color Coding Sample Identification. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Green.
Catalog Number: 89499-166
Supplier: Simport Scientific



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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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Description:   Orange. One-piece, autoclavable polypropylene closures. For use with Spectra/Por 1 through 7 Regenerated Cellulose and Biotech Regenerated Cellulose membrane tubing. Not for use with CE or PVDF tubing. Eliminate tying knots in the membrane tubing. Packaged 10/box.
Catalog Number: 25224-075
Supplier: Spectrum Laboratories


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Catalog Number: 76538-870
Supplier: Globe 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: Lilac
Catalog Number: 75799-290
Supplier: Simport Scientific



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Description:   Thread Size: 28-400; Liner Type: fluoropolymer resin. Cap for use with CG-190 G.P.I. screw thread tube. Part numbers CG-191-01 through CG-191-12 are made of black plastic with a choice of white rubber or fluoropolymer resin liner.
Catalog Number: 80061-788
Supplier: Chemglass


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Catalog Number: 76514-456
Supplier: Caplugs



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Description:   Plug Stopper
Catalog Number: 89497-842
Supplier: Globe Scientific



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Description:   White. 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: 25224-082
Supplier: Spectrum Laboratories


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Description:   For blood collection and glass or plastic test tubes. Seals inside rim of 16mm, and seals outside rim of 12 and 13mm tubes. Protects against evaporation. Packaged 1000 closures per pack, 10 packs per case. Red.
Catalog Number: 28296-622
Supplier: Thermo Fisher Scientific



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Catalog Number: 76520-858
Supplier: Caplugs



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Description:   Plug Stopper
Catalog Number: 89497-884
Supplier: Globe Scientific



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Catalog Number: 75820-774
Supplier: Chemglass



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Description:   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: 25224-137
Supplier: Spectrum Laboratories


Small Business Enterprise

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