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.
Open-Top Polypropylene Screw Thread Caps, Kimble Chase
Supplier: DWK Life Sciences (KIMBLE)
Economical, one-piece construction caps are autoclavable and designed from ASTM Specification E982
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SAV-IT™ Closures, Porex Bio Products Group
Supplier: Thermo Fisher Scientific
Pliable closures for use with evacuated blood collection tubes and glass and plastic test tubes
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Spectra/Por® Weighted Closures, Spectrum® Laboratories
Supplier: Spectrum Laboratories
Pressure-fitted with an acid-washed, stainless steel bar into the reverse side
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Plug Type Push-in Caps, Simport Scientific
Supplier: Simport Scientific
Plug-type push-in polyethylene caps are designed for test tubes with an outside diameter of 12 mm. The 17 mm caps are designed for T408 centrifuge tubes.
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Spectra/Por® Universal Closures, Spectrum® Laboratories
Supplier: Spectrum Laboratories
Nylon closures lock gently over rigid membranes such as cellulose ester (CE) and polyvinylidene fluoride (type F) tubing, providing a strong, leakproof seal
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Dual Position Closure Caps, Globe Scientific
Supplier: Globe Scientific
This dual position cap is produced from low density polyethylene (LDPE). It is ribbed for easy handling.
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Green Polypropylene Hole Caps, Qorpak®
Supplier: Qorpak
Polypropylene hole caps are available pre-assembled with septa or without septa.
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White Polypropylene Flip Top Cap, Qorpak®
Supplier: Qorpak
Flip Top Caps are ideal on the workbench for dispensing small amounts of liquid
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EZCellGene® 53B Cap Assembly, Overmolded Platinum Cured Silicone Microbore Tubing, Sterile
Supplier: Foxx Life Sciences
The EZCellGene® 53B Cap Assembly offers a clean, reliable solution for lab and biopharma facilities seeking to reduce setup time, minimize contamination risk in single-use workflows. Each assembly features VersaCap® technology with two integrated ¹/₁₆" ID hose barbs for vent filtration and fluid transfer.
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Translucent Snap Caps, Globe Scientific
Supplier: Globe Scientific
These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes.
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Starburst Plugs for Shell Vials, 1.0 ml WISP 96 Style, 8×40 mm, 8 mm, Restek
Supplier: Restek
Starburst and conical design of the snap plug provides self-centering needle penetration guidance as well as better resealability of the plug after use.
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Conductive Dust Caps, Newark/Element
Supplier: NEWARK ELEMENT 14 TE
Conductive dust caps protect against static electricity (black coloured).
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Safety Funnels with Lid 'MARCO' V2.0, Electrically Conductive, SCAT Europe
Supplier: SCAT AMERICAS, INC.
S.C.A.T. 'MARCO' V2.0 safety funnels can be closed safely and prevent danger of ignition.
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Qorpak® Black Phenolic Screw Caps, Pulp/Aluminum Foil Liner
Supplier: Qorpak
Pulp/Aluminum Foil lined caps are typically used for food applications as they will not cause odor or taste problems
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Closures, Polyethylene, Greiner Bio-One
Supplier: Greiner Bio-One
Greiner Bio-One closures are made of high-grade polyethylene and are available in many colors.
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Microcentrifuge Septum Screw Caps Closure for Micrewtubes™ Centrifuge Tubes, Simport
Supplier: Simport Scientific
The screw cap incorporates a pierceable septum made of chemically resistant PTFE on the outside and silicone on the inside, both components being stable over a broad range of temperatures
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Catalog #: CA21905-026
: Kimberly-Clark