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  | Avantor

Closures

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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Seals for Wheaton® CompletePAK® Sterile Vials, DWK Life Sciences

Seals for Wheaton® CompletePAK® Sterile Vials, DWK Life Sciences

Supplier: DWK Life Sciences (KIMBLE)

CompletePAK®, Chromatography vial closure, Sterile blue flip seal

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DURAN® GLS 80® High Temperature Screw Caps, DWK Life Sciences

DURAN® GLS 80® High Temperature Screw Caps, DWK Life Sciences

Supplier: DWK Life Sciences (KIMBLE)

The material used is a special compound based on polyarylsulphone. Consequently the chemical, thermal and mechanical properties of the material are noticeably improved and matched to laboratory requirements.

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KIMBLE® Magnetic Screw Thread Headspace Vial Caps, DWK Life Sciences

KIMBLE® Magnetic Screw Thread Headspace Vial Caps, DWK Life Sciences

Supplier: DWK Life Sciences (KIMBLE)

Designed to fit 18 mm screw thread headspace vials.

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Flip Cap Aluminum Seals, WHEATON®

Flip Cap Aluminum Seals, WHEATON®

Supplier: DWK Life Sciences (KIMBLE)

Flip cap seals provide tamper evidence

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Cap Strips for Tubes, Molecular Bio Products

Supplier: Thermo Fisher Scientific

Seal tubes tightly for storage

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Safety Caps for GL 45 Threads

Safety Caps for GL 45 Threads

Supplier: CP Lab Safety

2-Port safety cap deluxe kit, GL45 thread, black outer, ready-to-use with air inlet valve and and ¹/₈" OD tubing adapter. All you need to supply is the ¹/₈" OD tubing and you're ready to work! Create a closed system with GL-45 safety port caps, which seal to a bottle with a secure EPDM O-ring resistant to common HPLC solvents. This cap helps avoid twisted tubing due to its free-spinning collar design. The inner PTFE section will not rotate after the cap is secured. For a closed system, use the adapter with ¹/₈" OD tubing to seal one port and a vent filter in the other to allow for pressure changes and off-gassing.

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Caps and Septa for 2.0 ml, 8 mm Screw-Thread Vials, Restek

Caps and Septa for 2.0 ml, 8 mm Screw-Thread Vials, Restek

Supplier: Restek

Preassembled Restek screw caps with open tops are available for creating dependable seals, with 8-millimeter-wide openings.

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Screw Caps, Firefly

Screw Caps, Firefly

Supplier: FIREFLYSCI, INC.

Caps are made of polypropylene and are equipped with a poly-vinyl liner.

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Port Cap System with 20 L Carboy

Port Cap System with 20 L Carboy

Supplier: CP Lab Safety

Port cap system, 20 L Nalgene carboy, 70 mm 10- Port cap, secondary container.

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Hub-Cap Filter Kit, Restek

Hub-Cap Filter Kit, Restek

Supplier: Restek

Hub-Cap Filter Kit for 4 L bottles with GL-38 threads.

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Outlet Cap & Gold Seal Assembly for Agilent HPLC Systems, Restek

Outlet Cap & Gold Seal Assembly for Agilent HPLC Systems, Restek

Supplier: Restek

Outlet cap and gold seal assembly for Agilent HPLC systems (models 1050, 1100, 1200, 1220, 1260, 1290).

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White Polypropylene Screw Caps, F217 & Fluoropolymer Resin Liner, Qorpak®

White Polypropylene Screw Caps, F217 & Fluoropolymer Resin Liner, Qorpak®

Supplier: Qorpak

Polypropylene caps with F217 & Fluoropolymer Resin liners are an economical alternative to Thermoset & Phenolic Fluoropolymer Resin lined caps.

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Trigger Sprayer Pump, Polypropylene, White, Qorpak®

Trigger Sprayer Pump, Polypropylene, White, Qorpak®

Supplier: Qorpak

witch between spray and stream options on this versatile dispensing trigger sprayer closure.

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Vaplock™ Nalgene® Supply Caps,  38-430, Cole-Parmer

Vaplock™ Nalgene® Supply Caps, 38-430, Cole-Parmer

Supplier: Antyila Scientific

The Vaplock™ closed system design reduces chemical evaporation and exposure to hazardous vapors with Vaplock™ solvent reservoir caps.

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VWR® Caps for VWR® 18 mm Screw-Thread Headspace Vials

VWR® Caps for VWR® 18 mm Screw-Thread Headspace Vials

Supplier: Thermo Scientific

Chromatography vial closure, Magnetic, Magnetic Screw Cap 55A, Septum: White Silicone/Blue PTFE

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Phenolic Screw Thread Closure, Kimble Chase

Phenolic Screw Thread Closure, Kimble Chase

Supplier: DWK Life Sciences (KIMBLE)

Caps have mineral-filled phenolic material to withstand the effects of repeated autoclaving.

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