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Closures

4,214  results were found
Closures

Whether protecting the sample from outside contamination or the workplace from the bottled toxic waste, closures guarantee tight and reliable seals. With a vast cap selection for best compatibility with any container, tailoring to specific contents is possible. Temperature resistant models allow any procedure to be completed safely. Available in different finishes, any sensitive chromatography sample is protected. The caps are easy to close with one hand and come in many colors to assist with identification.


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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:   with a PTFE-faced foam liner. Caps are sold 144 per case in 12 bags of 12.
Catalog Number: 89046-878
Supplier: DWK Life Sciences (KIMBLE)



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Description:   Size 83-400 caps are ideal for containment of organic chemicals and solvents, high concentrates of acids and caustics, and water samples. Not autoclavable.
Catalog Number: 16161-541
Supplier: Qorpak


Product available on GSA Advantage® 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:   Green Thermoset Screw Caps, Fluoropolymer Resin Liner, Size 28-400 caps are ideal for containment of organic chemicals and solvents, high concentrates of acids and caustics, and water samples. Foam backed PTFE liners resist attack from virtually all chemicals at RT
Catalog Number: 75993-616
Supplier: Qorpak



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Description:   Button Top,Unlined,Flip Off,Color Coded, Fits GPI Aluminum Seal Finish 13 Color white
Catalog Number: 66004-048
Supplier: DWK Life Sciences (KIMBLE)



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Description:   with a PTFE-faced foam liner. Caps are sold 144 per case in 12 bags of 12.
Catalog Number: 89046-892
Supplier: DWK Life Sciences (KIMBLE)



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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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Description:   With Septa Type:Crimp-Top Color:Silver Material:Aluminum Septa/Liner Material:PTFE/Silicone 20 mm, preassembled
Catalog Number: 10058-692
Supplier: Restek



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Description:   Solid rubber-lined cap for culture work. Autoclavable. Cap size: 33mm-430.
Catalog Number: 16160-108
Supplier: DWK Life Sciences (KIMBLE)


Small Business Enterprise

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Description:   CLOSURE TUBE 16 MM NATURAL
Catalog Number: 89201-952
Supplier: Simport Scientific



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Catalog Number: 77269-940
Supplier: Globe Scientific


New Product

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Description:   Caps have multi-purpose liners for use with neutral pH to mild acid and alkali solutions.
Catalog Number: 16299-288
Supplier: DWK Life Sciences (KIMBLE)


Small Business Enterprise

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Certificate Certificates    
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Description:   Screw cap size: 13-425. New polypropylene caps are available in natural, white, red, blue and green. Superior Double Seal Closure. Guaranteed to be leakproof. No-Drip Pour Lip. For safe, clean dispensing.
Catalog Number: 16153-463
Supplier: DWK Life Sciences (KIMBLE)


Small Business Enterprise

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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:   Starburst Snap Plugs for Shell Vials, Type: Shell, Color: Clear, Material: Polyethylene, size: 8 x 40 mm
Catalog Number: 10854-082
Supplier: Restek



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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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Description:   Snap Cap with Two Thumb Tabs, for 16 mm Tubes
Catalog Number: 89206-968
Supplier: Globe Scientific


Minority or Woman-Owned Business Enterprise Small Business Enterprise

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Description:   89-400 White Polypropylene Unlined Cap 12/Bag, 12 Bags/Case (144 Caps Per Case)
Catalog Number: 89239-416
Supplier: Qorpak


Small Business Enterprise

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Description:   Seal with Septa, Type: Crimp-Top, Color: Blue, Septa Material: PTFE/Silicone, Material: Aluminum, volume: 2.0 mL, size: 11 mm
Catalog Number: 10854-214
Supplier: Restek



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Description:   Solvent Supply Bottle Cap 2-ports, Material: PTFE/PP/SS, Color: White, with helicoil, Reduce chemical evaporation and exposure to hazardous vapors, Use with semi-rigid tubing equal to or less than 1/8 in, Thread Size: 1/4-28, for 38-430 bottle
Catalog Number: 76287-518
Supplier: Argos Technologies



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Description:   Solvent Supply Bottle Cap 4-ports, Blue/White, PTFE insert, Thread Size: 1/4-28, for GL32 bottle with Polypropylene spin collar to prevent tubing from twisting when cap is removed, Reduce chemical evaporation and exposure to hazardous vapors, Autoclavable
Catalog Number: 76287-680
Supplier: Argos Technologies



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Catalog Number: 76808-322
Supplier: THOMSON INSTRUMENT CO


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Description:   Are an effective way to recap blood drawing tubes, Glass test tubes an dplastic culture tubes. precision molded from ldpe and maintain a tight seal during centrifugation, 13mm, pe, for 13mm Glass and evacuated tubes and 12mm plastic test tubes, blue.
Catalog Number: 10040-016
Supplier: Globe Scientific



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Description:   Neck size 53-400. Foamed Polyethylene SturdeeSeal* Liner.
Catalog Number: 16196-408
Supplier: Qorpak


Small Business Enterprise

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Description:   Neck Size 24-400. Polyseal Cone liner. Provides the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures.
Catalog Number: 16218-072
Supplier: Qorpak


Product available on GSA Advantage® Small Business Enterprise

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Description:   Rubber-lined. Cap with white (styrene-butadiene) rubber liner. GPI thread finish: 24-400.
Catalog Number: 66012-055
Supplier: DWK Life Sciences (KIMBLE)


Small Business Enterprise

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Description:   With urea screw cap and foil liner. White plastic screw caps fit Wheaton vials (66021-679 series) and other glass scintillation vials. Suitable for marking. Size: 15mm.
Catalog Number: 66021-748
Supplier: DWK Life Sciences (KIMBLE)


Small Business Enterprise

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Description:   Size 24-410 caps for narrow and wide mouth bottles. Provide a wide range of chemical compatibility and are temperature tolerant.
Catalog Number: 16199-136
Supplier: Qorpak


Small Business Enterprise

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Catalog Number: 76534-394
Supplier: Argos Technologies



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Description:   Open Black Septum Screw Cap (Type 34S, 41, 43, 46, 46FL), made of polypropylene with poly-vinyl liner, Replaceable inserts are made of 50% rubber (on the injectable side) and 50% PTFE (on the bottom side)
Catalog Number: 76016-674
Supplier: FIREFLYSCI, INC.



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Description:   Dialysis Tubing Closures, Standard Type, Spectra/Por, Blue, 90 mm sealing width, polypropylene (PP), 10/package; for leak-proof seal & buoyancy of tubing flat-widths 60-80 mm, use ONLY with Standard & Biotech Grade Regenerated Cellulose (RC) membrane types, autoclavable
Catalog Number: 10768-628
Supplier: Spectrum Laboratories



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Description:   Waste Manifold for 70mm threaded Hedwin/Rieke container, 10-port, Connection Type: (1) 1/2in NPT, (3) 1/4in NPT, (6) 1/4-28, Material: PTFE
Catalog Number: 76287-856
Supplier: Argos Technologies



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Description:   Magnetic Caps and Septa
Catalog Number: 10854-182
Supplier: Restek



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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. Green.
Catalog Number: 89499-202
Supplier: Simport Scientific



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Description:   HPLC Waste Accessory Kit for Justrite container with Stainless Steel quick disconnect, 10-port, Collect effluent from multiple sources while minimizing harmful solvent exhaust, Easily connect to Justrite safety containers using quick disconnects
Catalog Number: 76287-972
Supplier: Argos Technologies



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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 20mm. Red.
Catalog Number: 16199-015
Supplier: DWK Life Sciences (KIMBLE)



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Certificate Certificates    
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Description:   CAP W/ PULP/VINYL LINED 58-400 PP WHITE
Catalog Number: 76012-880
Supplier: Qorpak



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Description:   Waste Manifold for 70mm threaded Nalgene container, 10-port, Connection Type: (1) 1/2in NPT, (3) 1/4in NPT, (6) 1/4-28, Material: Polypropylene
Catalog Number: 76287-950
Supplier: Argos Technologies



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Catalog Number: 76514-458
Supplier: Caplugs



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Description:   Screw-Vial Closure 2mL, 9 mm Short-Cap, Type: Screw-Thread, Color: Black, Septa Material: PTFE/Silicone/PTFE, preassembled, to reduce the risk of needle bending, release vacuum from high-volume injections and improve injection reproducibility (greater than 20% of vial volume)
Catalog Number: 10853-960
Supplier: Restek



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Description:   Seal, 20mm magnetic large opening standard apron with natural PTFE/blue silicone septa 0.125, bulk. Microliter analytical supplies has a full line of LC and GC chromatography consumables and can help you determine the best products for your application.
Catalog Number: 10153-228
Supplier: DWK Life Sciences (KIMBLE)



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Description:   For media bottles and screw-thread vials. Has cemented-in PTFE-faced 14B rubber liner. Designed from ASTM Specification E982. GPI thread finish: 20-400.
Catalog Number: 16198-913
Supplier: DWK Life Sciences (KIMBLE)



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Description:   Magnetic with septa 20 mm, preassembled BiMetal Type:Crimp-Top Modification:with 8 mm Hole Color:Red/Silver Material:aluminum/steel Septa/Liner Material:PTFE/Silicone
Catalog Number: 10058-778
Supplier: Restek



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Description:   With pulp/aluminum foil liner. Packed in bags of 100.
Catalog Number: 11311-288
Supplier: Qorpak


Small Business Enterprise

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Description:   NMR Tube Cap, 5mm, Pk./100. Color: Black. 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: 80061-566
Supplier: Chemglass


Small Business Enterprise

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Catalog Number: 76552-494
Supplier: Foxx Life Sciences



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Catalog Number: 89204-937
Supplier: Qorpak



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Description:   with a TaperSeal cone-shaped liner. Caps are sold 144 per case in 12 bags of 12.
Catalog Number: 89046-874
Supplier: DWK Life Sciences (KIMBLE)



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Description:   with a pulp/tinfoil liner. Caps are sold 144 per case in 12 bags of 12.
Catalog Number: 89046-812
Supplier: DWK Life Sciences (KIMBLE)



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Certificate Certificates    
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Description:   with a PTFE-faced foam liner. Caps are sold 144 per case in 12 bags of 12.
Catalog Number: 89046-888
Supplier: DWK Life Sciences (KIMBLE)



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Certificate Certificates    
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Description:   SCREW CAP PBT CLOSED PTFE SEAL GL18 PK10
Catalog Number: 76264-232
Supplier: DWK Life Sciences (KIMBLE)



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Certificate Certificates    
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Description:   For use with Wheaton Redi-Pak glass containers. Wheaton Science Products is the premier laboratory source for all types of glass and plastic containers and accessories.
Catalog Number: 16153-290
Supplier: DWK Life Sciences (KIMBLE)


Small Business Enterprise

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Certificate Certificates    
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Description:   LID SILICONE BEAKER MEDIUM CYAN 66-79MM
Catalog Number: 76360-024
Supplier: DWK Life Sciences (KIMBLE)



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Certificate Certificates    
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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. Green.
Catalog Number: 28296-618
Supplier: Thermo Scientific



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Catalog Number: 76948-976
Supplier: SCAT AMERICAS, INC.


New Product

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Catalog Number: 76503-730
Supplier: SCAT AMERICAS, INC.



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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: 25225-294
Supplier: Spectrum Laboratories


Small Business Enterprise

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Catalog Number: 76489-522
Supplier: DWK Life Sciences (KIMBLE)



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Certificate Certificates    
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Catalog Number: 76503-848
Supplier: SCAT AMERICAS, INC.



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Description:   Cone,Solid Top,Black Phenolic,Polyseal*, GPI Thread Finish 13-425
Catalog Number: KT73809-13425
Supplier: DWK Life Sciences (KIMBLE)



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Catalog Number: 89003-436
Supplier: DWK Life Sciences (KIMBLE)



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Description:   Ideal for filling or retrieving contents with a syringe and as closures for many instrumentation applications. Seal is designed for smaller serum finish vials commonly used in autosamplers. 1000 per case
Catalog Number: 26676-652
Supplier: DWK Life Sciences (KIMBLE)


Small Business Enterprise

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Certificate Certificates    
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Description:   Hub-Cap Adaptor and Opti-Cap, new 4-liter bottle adaptor and Opti-Cap
Catalog Number: 10853-772
Supplier: Restek



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