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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:   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: 25225-312
Supplier: Spectrum Laboratories


Small Business Enterprise

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Description:   SCREWCAP W/ O-RING GREEN
Catalog Number: 89501-438
Supplier: Globe Scientific



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Description:   75 mm sealing width, Green, 10 closures/pkg. For use only with RC membrane; Do Not Use with CE membrane.
Catalog Number: 97059-172
Supplier: Spectrum Laboratories


Small Business Enterprise

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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: 25224-172
Supplier: Spectrum Laboratories


Small Business Enterprise

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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: 25224-157
Supplier: Spectrum Laboratories


Small Business Enterprise

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Description:   Liner Cap, Gold-Plated, for Split/Splitless Injector on Thermo Scientific TRACE, 8000, 8000 TOP & Focus SSL
Catalog Number: 10855-936
Supplier: Restek



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Catalog Number: 76520-874
Supplier: Caplugs



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Description:   Plug Stopper
Catalog Number: 89497-836
Supplier: Globe Scientific



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Description:   SCREW CAP FOR SAMPLES TUBES, GREEN
Catalog Number: 10028-112
Supplier: Globe Scientific



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Description:   Microcentrifuge Tube Flat Top Cap With Lip Seal Design. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Blue.
Catalog Number: 89499-218
Supplier: Simport Scientific



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Description:   Microcentrifuge Tube Cap With Lip Seal Design. 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. Natural
Catalog Number: 89499-144
Supplier: Simport Scientific



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Description:   CLOSURE TUBE 16 MM GREEN
Catalog Number: 89201-956
Supplier: Simport Scientific



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Catalog Number: 76480-240
Supplier: Caplugs



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Description:   CapTrack Flange Plug Cap, 13mm, Clear, 1000/Bag
Catalog Number: 76308-996
Supplier: Globe Scientific



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Description:   SVL Size: 22; Fits Tubing O.D; 15.6-16.4mm. Open top screw cap supplied complete with PTFE sealing ring to accept the tubing size as listed.
Catalog Number: 80061-586
Supplier: Chemglass


Small Business Enterprise

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Description:   CLOSURE TUBE 13 MM RED
Catalog Number: 89201-948
Supplier: Simport Scientific



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Description:   Plug Stopper
Catalog Number: 89497-892
Supplier: Globe Scientific



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Catalog Number: 76538-886
Supplier: Globe Scientific



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Description:   Plug Stopper
Catalog Number: 89497-894
Supplier: Globe Scientific



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Description:   CT™ Flange Plug Caps for All CapTrack™ Models
Catalog Number: 76309-006
Supplier: Globe Scientific



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Description:   Pierce-It* Closure, 16mm green, 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: 10127-372
Supplier: Simport Scientific



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Catalog Number: 76538-888
Supplier: Globe Scientific



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Description:   SCREWCAP NO O-RING GREEN
Catalog Number: 89501-452
Supplier: Globe Scientific



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Description:   With bonded white ptfe liner,gpi thread finish: 13-425,color:blue,case of 1000
Catalog Number: 89201-914
Supplier: DWK Life Sciences (KIMBLE)



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Description:   With red ptfe-faced silicone septa,gpi thread finish: 13-425,septa: pre-slit, color: white,case of 1000
Catalog Number: 89201-908
Supplier: DWK Life Sciences (KIMBLE)



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Description:   With red ptfe-faced silicone septa,gpi thread finish: 9-425,septa: standard, color: blue,case of 1000
Catalog Number: 89201-898
Supplier: DWK Life Sciences (KIMBLE)



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Description:   Snap Cap with Two Thumb Tabs, for 16 mm Tubes
Catalog Number: 89206-976
Supplier: Globe Scientific


Minority or Woman-Owned Business Enterprise Small Business Enterprise

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Description:   Snap Cap with Two Thumb Tabs, for 16 mm Tubes
Catalog Number: 89206-980
Supplier: Globe Scientific


Minority or Woman-Owned Business Enterprise Small Business Enterprise

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Catalog Number: 76480-246
Supplier: Caplugs



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Description:   Plug Stopper
Catalog Number: 89497-898
Supplier: Globe Scientific



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Description:   Microcentrifuge Tube Flat Top Cap With Lip Seal Design. Made Of Polyethylene. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Orange.
Catalog Number: 89499-224
Supplier: Simport Scientific



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Description:   Microcentrifuge Tube Flat Top Cap With Lip Seal Design. Certified Rnase-, Dnase-, Pyrogen- And Dna-Free. Will Withstand Temperatures From -196C To +110C. Cs/1000. Brown.
Catalog Number: 89499-232
Supplier: Simport Scientific



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Description:   SCREW CAP FOR SAMPLES TUBES, LILAC
Catalog Number: 10028-114
Supplier: Globe Scientific



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Catalog Number: 76480-236
Supplier: Caplugs



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Description:   Yellow. 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: 25225-304
Supplier: Spectrum Laboratories


Small Business Enterprise

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Catalog Number: 76538-880
Supplier: Globe Scientific



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Description:   Blue. 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: 25225-306
Supplier: Spectrum Laboratories


Small Business Enterprise

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Description:   Plug Style Caps
Catalog Number: 10836-530
Supplier: Starplex



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Description:   Plug Style Caps
Catalog Number: 10836-534
Supplier: Starplex



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Description:   Plug Style Caps
Catalog Number: 10836-536
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. Lilac.
Catalog Number: 89499-168
Supplier: Simport Scientific



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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. White
Catalog Number: 89499-176
Supplier: Simport Scientific



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Description:   Microcentrifuge Tube Cap With O-Ring Seal 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. Blue
Catalog Number: 89499-164
Supplier: Simport 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 16mm. Yellow.
Catalog Number: 16199-009
Supplier: DWK Life Sciences (KIMBLE)



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Description:   12-Strip Flat-Caps, Optically Clear
Catalog Number: 490003-558
Supplier: GeneMate



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Description:   POLYETHYLENE, WHITE.
Catalog Number: 101093-532
Supplier: Sarstedt



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Catalog Number: 101093-833
Supplier: Sarstedt



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Catalog Number: 101093-839
Supplier: Sarstedt



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Catalog Number: 101093-587
Supplier: Sarstedt



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Description:   POLYETHYLENE, RED.
Catalog Number: 101093-626
Supplier: Sarstedt



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Description:   POLYETHYLENE, BLUE.
Catalog Number: 101093-508
Supplier: Sarstedt



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Description:   POLYETHYLENE, PURPLE.
Catalog Number: 101093-518
Supplier: Sarstedt



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Description:   Screw cap for micro tubes, Flat, sterile, material: Polypropylene (PP), Color: Natural, O-ring material: Ethylene propylene diene rubber (EPDM)
Catalog Number: 103501-382
Supplier: Sarstedt



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Catalog Number: 101093-877
Supplier: Sarstedt



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Catalog Number: 101093-837
Supplier: Sarstedt



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Catalog Number: 101093-841
Supplier: Sarstedt



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Description:   Capcluster Push Caps for tubes in 96-well format, Sterile, gamma radiated, Pierrceable, Material: TPE, Cap height: 4.8mm, Temperature range: -80 deg C to +100 deg C, Color: Green, Application: 0.5, 0.75, 1.10, 1.40, 2, and 2.50ml tubes.
Catalog Number: 103258-678
Supplier: Nova Biostorage Plus



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Description:   Capcluster Push Caps for tubes in 96-well format, Sterile, gamma radiated, Pierrceable, Material: TPE, Cap height: 4.8mm, Temperature range: -80 deg C to +100 deg C, Color: Light Green, Application: 0.5, 0.75, 1.10, 1.40, 2, and 2.50ml tubes.
Catalog Number: 103258-676
Supplier: Nova Biostorage Plus



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Description:   Capcluster Push Caps for tubes in 96-well format, Sterile, gamma radiated, Pierrceable, Material: TPE, Cap height: 4.8mm, Temperature range: -80 deg C to +100 deg C, Color: Black, Application: 0.5, 0.75, 1.10, 1.40, 2, and 2.50ml tubes.
Catalog Number: 103258-680
Supplier: Nova Biostorage Plus



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Description:   15mm, for Screw Thread NMR Tubes.
Catalog Number: 100165-892
Supplier: New ERA Enterprises



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Catalog Number: 101093-843
Supplier: Sarstedt



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Description:   POLYETHYLENE, GREEN.
Catalog Number: 101093-632
Supplier: Sarstedt



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Description:   Capcluster Push Caps for tubes in 96-well format, Sterile, gamma radiated, Pierrceable, Material: TPE, Cap height: 4.8mm, Temperature range: -80 deg C to +100 deg C, Color: Light Blue, Application: 0.5, 0.75, 1.10, 1.40, 2, and 2.50ml tubes.
Catalog Number: 103258-674
Supplier: Nova Biostorage Plus



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Catalog Number: MSPP-651379
Supplier: Sarstedt



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