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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:   12-Strip Dome-Caps
Catalog Number: 490003-542
Supplier: GeneMate



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Description:   PLUG CAP 13MM GRN PK1000
Catalog Number: 89206-929
Supplier: Globe Scientific



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Description:   Diamond Culture Tube Cap, Material: Molded from durable, autoclavable polypropylene, Color: Yellow, For 18mm Glass Culture Tubes, Fit plain end culture tubes and flasks with DeLong style necks or ports, Ridges inside cap provide secure grip and gas exchange, Sterile
Catalog Number: 76184-786
Supplier: Globe Scientific



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Description:   Diamond Culture Tube Cap, Material: Molded from durable, autoclavable polypropylene, Color: Blue, For 18mm Glass Culture Tubes, Fit plain end culture tubes and flasks with DeLong style necks or ports, Ridges inside cap provide secure grip and gas exchange, Sterile
Catalog Number: 76184-788
Supplier: Globe Scientific



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Description:   LDPE Dust Covers for most square shaped cuvettes. Flexible fins on cap allow for tight fit. LDPE is chemically resistant. 19mm depth.
Catalog Number: 30620-274
Supplier: Dynalon



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Description:   FLANGE PLUG CAPS 16MM PE WHITE
Catalog Number: 10029-202
Supplier: Simport Scientific



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Description:   Flanged Plug Cap
Catalog Number: 89497-872
Supplier: Globe Scientific



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Description:   NMR Tube Cap, 5mm, Pk./100. Color: White. Made from polyethylene, these caps are sized to fit 5mm O.D. NMR sample tubes. Cap fits tightly to stay in place during increased internal vaporization pressure.
Catalog Number: 80061-564
Supplier: Chemglass


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Catalog Number: 60820-146
Supplier: Globe Scientific


Minority or Woman-Owned Business Enterprise Small Business Enterprise

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Description:   Dual Position Closure Cap
Catalog Number: 89497-866
Supplier: Globe Scientific



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Description:   Color: natural. With silicone washer for leakproof seal. Polypropylene. Features a long skirt and a super-fast thread design that allows it to be removed or sealed with a single turn.
Catalog Number: 60872-470
Supplier: Simport Scientific



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Description:   13MM PLUG CAP FOR BECKMAN IDS AUTO TRACK
Catalog Number: 10746-530
Supplier: Globe Scientific



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Description:   Diamond Culture Tube Cap, Material: Molded from durable, autoclavable polypropylene, Color: Green, For 13mm Glass Culture Tubes, Ridges inside cap provide secure grip and gas exchange, Reduce sample evaporation compared to cotton plugging, Maintain sterility
Catalog Number: 76184-764
Supplier: Globe Scientific



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Catalog Number: 33502-068
Supplier: Chemglass


Small Business Enterprise

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Description:   Screw Cap Sterile, with lip seal, Colour: Blue, Made of polypropylene, for sample tubes, with O-Ring, ensure a positive leakproof seal at all temperatures, cap features a long skirt and a super-fast thread design that allows it to be removed or sealed with a single turn
Catalog Number: 76003-810
Supplier: Simport Scientific



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Description:   Diamond Culture Tube Cap, Material: Molded from durable, autoclavable polypropylene, Color: Blue, For 25mm Glass Culture Tubes, Ridges inside cap provide secure grip and gas exchange, Fit plain end culture tubes, flasks, Maintain sterility without cotton plugging
Catalog Number: 76184-808
Supplier: Globe Scientific



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Description:   Yellow colored cap with silicon o-ring for T341 series tubes. Packed 1000 per case.
Catalog Number: 89050-140
Supplier: Simport Scientific



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Catalog Number: 83007-567
Supplier: Simport Scientific



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Description:   Flanged Plug Cap
Catalog Number: 89497-858
Supplier: Globe Scientific



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Description:   FLANGE PLUG CAPS 12MM PE GREEN
Catalog Number: 10029-194
Supplier: Simport Scientific



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Description:   One-piece, autoclavable, polypropylene clamp that eliminates knot tying for dialysis tubing. Locks over end of tubing, ensuring strong leakproof seal. For best results, select one that is 4 to 10mm longer than the flat width of the tubing. Gripping width: up to 35mm.
Catalog Number: 25224-100
Supplier: Spectrum Laboratories


Small Business Enterprise

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Catalog Number: 77269-938
Supplier: Globe Scientific


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Catalog Number: 75820-768
Supplier: Chemglass



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Description:   Size; 18-415. Approx. Cap Height (mm); 18 Cap is made of a special phenolic material (mineral filled) to withstand the effects of repeated autoclaving.
Catalog Number: 89001-494
Supplier: DWK Life Sciences (KIMBLE)



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Description:   For use with test tubes and flasks. Proven non-toxic to algae. Plug springs back to original shape after repeated use. Autoclavable and chemically resistant. For OD 14 to 20mm.
Catalog Number: 60882-167
Supplier: Jaece



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Description:   One-piece, autoclavable, polypropylene clamp that eliminates knot tying for dialysis tubing. Locks over end of tubing, ensuring strong leakproof seal. For best results, select one that is 4 to 10mm longer than the flat width of the tubing. Gripping width: up to 75mm.
Catalog Number: 25224-132
Supplier: Spectrum Laboratories


Small Business Enterprise

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Description:   Thread Size: 18-415; 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: 80061-778
Supplier: Chemglass


Small Business Enterprise

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Description:   Screw cap for external thread sample tubes, Color: Gray, Made of polypropylene. Ensures a positive leakproof seal at all temperatures. Features a long skirt & super-fast thread design. Autoclavable, Same coefficient of expansion as the tubes.
Catalog Number: 76299-340
Supplier: Simport Scientific



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Catalog Number: 77269-940
Supplier: Globe Scientific


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Description:   CLOSURE TUBE 16 MM NATURAL
Catalog Number: 89201-952
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 25mm. Blue.
Catalog Number: 16199-022
Supplier: DWK Life Sciences (KIMBLE)



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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: 25225-318
Supplier: Spectrum Laboratories


Small Business Enterprise

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