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472 results for Closures

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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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Screw caps for T501 sample tubes

Screw caps for T501 sample tubes

Supplier: Simport Scientific

Caps are available either with or without a silicone washer between the cap and the tube to ensure a positive leakproof seal at all temperatures.

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Caps, Versilic®

Caps, Versilic®

Supplier: Saint Gobain Life Sciences

Made of translucent silicone. Ideal for protecting piping/tubing or protruding cylindrical components during transport and all operations that require aperture protection. (against knocks, splashes, paint and more).

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VWR® PFAS Short Thread or Snap Ring Caps

VWR® PFAS Short Thread or Snap Ring Caps

Supplier: VWR Collection

PFAS PP short thread caps or PE snap ring caps, light green, with hole. White silicone/transparent polypropylene, for PFAS analysis.

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Nalgene® Biotainer® Closures for Bottles, InVitro™

Nalgene® Biotainer® Closures for Bottles, InVitro™

Supplier: Thermo Fisher Scientific

Designed to aseptically handle solutions in biopharmaceutical, biotechnology and laboratory liquid transfer applications, these two- and three-ported closures are designed for Thermo Scientific™ Nalgene™ Biotainer™ bottles and carboys. With Animal Derived Component-Free (ADCF) components, including seals that are sonically-welded to the cap, and leak-proof closures, security of high value contents are guaranteed during fluid transfer.

   Sustainable Options Available
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Screw closures, quick filling/venting fittings, Nalgene®

Screw closures, quick filling/venting fittings, Nalgene®

Supplier: Thermo Fisher Scientific

PP, white with TPE seal.

   Sustainable Options Available
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Screw Closures for Wide Neck Bottle Series 303, PP

Screw Closures for Wide Neck Bottle Series 303, PP

Supplier: Kautex

Leakproof polypropylene screw closures are packaged in polyethylene bags.

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Screw caps, ventilated, for disposable erlenmeyer flasks, Nalgene®

Screw caps, ventilated, for disposable erlenmeyer flasks, Nalgene®

Supplier: Thermo Fisher Scientific

HDPE, blue with PTFE membrane, sterile.

   Sustainable Options Available
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Replacement fittings for quick filling/venting closure, Nalgene®

Replacement fittings for quick filling/venting closure, Nalgene®

Supplier: Thermo Fisher Scientific

PP plug connectors with hose barb.

   Sustainable Options Available
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Depyrogenated aluminum caps

Depyrogenated aluminum caps

Supplier: FUJIFILM WAKO CHEMICALS

These depyrogenated aluminum caps assists in reducing the chance of contamination, preventing any additional substances or material from entering the testing tubes.

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Screw caps for bottles with GL threads, BOLA

Screw caps for bottles with GL threads, BOLA

Supplier: Bohlender

Screw cap made of PPS, with handy knurl and integrated PTFE/silicone gasket.

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Screw caps for ointment jars

Supplier: RIXIUS

Screw cap, For: 50 ml jar , Colour: White, Thread: GL 51, Colour: White, For: 50 ml jar

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Screw Closures for Wide Neck Amber Bottle Series 303, LDPE

Screw Closures for Wide Neck Amber Bottle Series 303, LDPE

Supplier: Kautex

Leakproof LDPE screw closures are packaged in polyethylene bags.

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Screw Caps, DIN 45, Black

Supplier: RIXIUS

Screw cap, sealing of closure LDPE, For: Bottles, PP, Thread: GL 45, Colour: Black, PP

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Caps for sample tubes, tamper evident

Caps for sample tubes, tamper evident

Supplier: Simport Scientific

Caps made of PE feature a long skirt and a super fast thread design allowing them to be removed or sealed with a single turn. Caps are designed with flexible sealing lip which provides leakproof seal.

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Caps for storage tubes, 2D barcoded, Matrix®

Caps for storage tubes, 2D barcoded, Matrix®

Supplier: THERMO MATRIX TECHNOLOGIES

Simplify sample storage with these color-coded caps. Made from Virgin class VI medical grade PP with virgin class VI medical grade silicone O-ring.

   Sustainable Options Available
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VWR® Safe-T-Flex, Caps for Test Tubes

VWR® Safe-T-Flex, Caps for Test Tubes

Supplier: VWR Collection

Safe-T-Flex caps feature a unique, flexible, over-locking design, locking securely on the outside of the tube lip and can be removed with one hand. A tight seal ensures sample integrity and prevents spillage or evaporation of serum samples. This special seal protects against the aerosols of highly infectious organisms such as TB and the HTLV-III virus. They are colour coded for easy specimen identification and to help guard against cross-contamination. The top of each cap can also be numbered or labelled with indelible ink. Self-locking cap holds firmly in any position and keeps contents secure while in transit. Liquid-tight seal withstands centrifugation, agitation, refrigeration and freezing.

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Closures for media bottles

Closures for media bottles

Supplier: Thermo Fisher Scientific

Seal PET/PETG square media bottles with Thermo Scientific™ Nalgene™ HDPE closures, which provide a reliable and leakproof† seal. These reliable, high-density polyethylene closures are gamma irradiated to provide a 10-6 Sterility Assurance Level (SAL).

   Sustainable Options Available
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Screw caps for laboratory bottles, DURAN®

Screw caps for laboratory bottles, DURAN®

Supplier: DWK Life Sciences

PBT, red, with PTFE coated seals.

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Septum caps, Nalgene®

Septum caps, Nalgene®

Supplier: Thermo Fisher Scientific

Polypropylene closure with thermoplastic elastomer septum.

   Sustainable Options Available
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Multiple distributors for bottles, BOLA

Multiple distributors for bottles, BOLA

Supplier: Bohlender

Blue screw cap made of PPS. Body made of PTFE.

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Corning® Direct Overhead Drive Center Cap Assembly for Corning® Reusable Spinner Flasks, Corning

Corning® Direct Overhead Drive Center Cap Assembly for Corning® Reusable Spinner Flasks, Corning

Supplier: Corning

The 120 mm Center Cap Assembly for Corning® Spinner Flasks is designed for use with direct overhead drive motor.

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Multiple distributors for bottles with GL 45 thread, BOLA

Multiple distributors for bottles with GL 45 thread, BOLA

Supplier: Bohlender

PPS screw cap, black, distributor body made from PTFE.

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Screw Cap GL 40

Supplier: RIXIUS

Screw cap made of black PP with ALU laminated PE foam insert for thread GL 40.

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Screw Cap for Narrow Neck Bottles, PP

Supplier: RIXIUS

Closures for bottles, narrow neck glass, brown, with thread. Tamper-evident bell cap made of PP with PTFE cup seal, thread GL 45 black/red 908/1418.

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Connection system GL 45, DURAN®

Connection system GL 45, DURAN®

Supplier: DWK Life Sciences

Connection system with PP screw cap GL 45 with two or three PTFE ports. Flexible modular system. Typical applications: safe transfer of liquid media within a closed and sterile system (evaporation is reduced).

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Screw caps with tubing connectors for GL 45 DURAN® bottles, DURAN®

Screw caps with tubing connectors for GL 45 DURAN® bottles, DURAN®

Supplier: DWK Life Sciences

The reusable GL 45 caps allow DURAN® GL 45 lab bottles 100 ml or larger to be used be used for sampling, liquid feeding, or transfer.

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Screw Caps for Wide Neck Bottles

Screw Caps for Wide Neck Bottles

Supplier: RIXIUS

Screw cap, PP, black, with PTFE-inlay, Thread: GL 40

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Screw cap for laboratory bottles, GLS 80®, quick release, DURAN®
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Multiple distributors for bottles, EX, BOLA

Multiple distributors for bottles, EX, BOLA

Supplier: Bohlender

Black screw cap, made of conductive PPS-EX, for GL 45 threaded bottles and distributor body made of conductive PTFE-EX.

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Seals for threaded connection caps, double sided, BOLA

Seals for threaded connection caps, double sided, BOLA

Supplier: Bohlender

Silicone ring with double-sided PTFE washer. After assembly, the product is only exposed to PTFE.

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