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  • Teflon® Cap Liners

    Van Note

    Teflon liners inert to most chemicals and can be autoclaved Thickness: 0.015 inch For insertion in caps of corresponding size; diameter of liners permits sealing in caps by friction fit. Liners can be inserted directly over other flat liners mounted in caps.

  • Polyethylene Caps

    Evergreen Scientific

    Three designs Precision-molded Polyethylene (PE) stopper caps are available for every size (except 15.5 x 50 mm) of Evergreen test tube. Choose from either standard caps or the flattop style. Caps for 12 mm tubes are available in six colors. Over-fitting caps for use with sterile…

  • Stainless Steel Closures for Tubes

    Bellco Glass

    Excellent for Culture Tube and Flask Closures. 305 Stainless Steel, Non-Corroding. Lanced fingers grip firmly after repeated autoclaving.

  • Caps and Seals

    Wheaton

    1230K91 - 1230K96: Black phenolic screw caps With 14B rubber liner Autoclavable Ideal for culture work 1230L89 - 1230L94: Tear-off unlined aluminum seals This seal can be completely removed and contents readily poured from bottle

  • Target DP 9mm Vial Closures

    National Scientific

    National Target DP 9mm closures are designed to help chromatographers achieve more reliable and efficient sample analysis. Designed to accommodate nearly all chromatography autosamplers fitted for 12 x 32cm vial trays, the C5000 series closure effectively eliminates septa push-through and…

  • Corning Media Storage Caps

    Corning

    Caps fit Corning media bottles, Erlenmeyer flasks and spinner flasks with standard GL threads. Standard Plug Seal Caps are autoclavable and use a linerless plug seal design for efficient sealing. Pouring Rings fit on the lips of bottles for drip-free pouring. Autoclavable Vented Caps have a 0.22…

  • Black Phenolic Polyseal™ Cone Lined Caps

    Qorpak

    Black Phenolic Polyseal™ Cone Lined Caps form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding, and backing off.

  • Flask Caps

    Celltreat Scientific

    Solid or vent replacement caps for tissue culture and suspension culture flasks, packaged sterile (gamma irradiated) Vent caps feature 0.22um hydrophobic membrane for gas exchange Manufactured from medical grade virgin polyethylene (HDPE)

  • GL 45 Media Storage Bottle Caps

    Kimble

    Caps are designed to fit GL 45 threaded ware. Autoclavable Solid top polypropylene Cap colors available in blue, white, orange, gray, green, or pink High-temperature version with red cap available

  • Black Phenolic Cap With PE Poly-Seal Liner

    Wheaton

    Stress crack resistant Superior torque retention Excellent sealing characteristics Manufactured from LDPE. The unique cone design provides a wedge type seal that not only seals across the top but also across the inside diameter.

  • Polypropylene Open-Top Screw Caps

    Wheaton

    Bonded Teflon®-Faced Silicone Liners White autoclavable open-top caps have a bonded Teflon-Faced Silicone Liner making them ideal for storage and retrieval of volatile solvents, sensitive compounds and corrosive chemicals. The liners consist of 0.055” of Silicone and 0.005” of…

  • Black Phenolic Screw Caps

    Wheaton

    Tefon®-faced (14B) rubber liners Autoclavable caps are designed to ensure the ultimate in product safety. The liners are made of a nontoxic white styrene-butadiene rubber and are faced with Teflon® which offers excellent chemical resistance. They are available in convenient lab pack quantities…

  • White Polypropylene Screw Caps

    Wheaton

    Bonded Teflon®-faced silicone liners White, autoclavable caps have a bonded Teflon-Faced Silicone Liner making them suitable for storage and containment of volatile solvents, sensitive compounds and corrosive chemicals.  The liners consist of 0.055” of Silicone and 0.005”…

  • Tamper Evident Caps with Pulp/PVDC/PE Liners, for 28.5 mm vials

    Wheaton

    Three pieced lined aluminum caps have unique metal inserts. Contents cannot be pilfered without removing cap or leaving evidence of puncture or insert. A metal tab wilt a rolled safety edge “perks up” to provide visual proof of tight seal. The caps remove quickly and easily in one piece. They…

  • 9mm R.A.M.™ Caps with PTFE Liner

    J.G. Finneran

    Preassembled closures and septa come ready to use. Designed to work in Agilent or other robotic arm autosamplers.

  • Vacucap™ Tube Closure

    Simport

    Made of polyethylene An economical way to recap blood drawing tubes, disposable glass test tubes and plastic culture tubes. Flexible VACUCAP™ closures protect from aerosols of highly infectious microorganisms. They guard samples against cross-contamination and laboratory work areas against…

  • KIM-KAP®, Polypropylene Closures, Autoclavable, Color Coded

    Kimble

    Convenient, economical closures for use with the Kim-Rak or other disposable culture tubes. Sterility of contents is maintained without the need for cotton plugging. Kim-Kaps can be removed and replaced without contamination of the contents. Yellow cap color.

  • Closures And Septa For Open-Top Glass Containers

    I-Chem

    Replacement polypropylene open top closures have a bonded-in 0.045” thick septa except for 1709B03, which is a 24-414 open top closure without septa. Choose an I-CHEM® 0.125” thick, 22 mm, PTFE silicone replacement septum to complete the closure system. Thin septa are also available.

  • Black Phenolic Screw Caps

    Wheaton

    These autoclavable caps are designed to ensure the ultimate in product safety. The liners are white styrene-butadiene faced with Teflon.

  • 13-425 Redi-Cap, Phen Blk, Poly-Seal Liner

    Wheaton

    Black phenolic screw cap Poly-Seal liner is manufactured from low density polyethylene Unique cone liner design offers superior torque retention and excellent sealing characteristics It is recommended that liner be tested prior to use for leak resistant applications

  • Preassembled R.A.M.™ 9mm Ribbed Screw Thread Cap with PTFE/Silicone Septa

    J.G. Finneran

    Preassembled closures and septa come ready to use. Designed to work in Agilent or other robotic arm autosamplers.

  • Disposable Aseptic Transfer Caps for Plastic Erlenmeyer Flasks

    Corning

    Corning® Erlenmeyer Flask Aseptic Transfer Caps are sterile (10 -6 SAL), individually double bagged and fit the 2L Corning® Polycarbonate Erlenmeyer flasks. These aseptic transfer caps can also be used on Corning 850 and 1700cm 2 plastic disposable roller bottles. Venting port…

  • 13mm Flanged Plug Cap

    Globe Scientific

    Plug cap, flanged. Fits most 13mm tubes Polyethylene (PE) Assorted colors available

  • Culture Tubes, KIM-KAP®, Polypropylene Closures, Autoclavable, Color Coded

    Kimble

    Color Coded - natural, red, green, yellow and blue

  • 12 Strip Caps

    Thermo Scientific Pierce

  • 13mm Extended Controlled Dropper Tips

    Wheaton

    Tip made of LDPE (Low Density Polyethylene) Extended controlled dropper tip dispenses one drop at a time Average drop size is 44uL

  • F217 & PTFE Lined Green Thermoset Caps

    Qorpak

    Green Thermoset F217 & PTFE Lined Caps are known for providing the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures. The color green easily identifies the PTFE liner system. Foam backed PTFE liners resist attack from virtually all chemicals at…

  • Septum Screw Cap for Microcentrifuge Tubes

    Simport

    Made of Polypropylene T347AQX 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. The septum also acts as a silicone o-ring for better sample protection. It is…

  • ABC Screw Caps

    Wheaton

    Manufactured from polypropylene Low extractable septa 100 pack with 10 packs/case

  • Universal Caps for 10-16mm Diameter tubes

    Heathrow

    Seal multiple size tubes with one size cap Easy-to-use, polyethylene caps feature a universal fit. Seal caps with one handed use. Caps provide tight, leak-proof seal for standard glass or plastic tubes. Innovative design to fit larger tube sizes inverted and smaller tube sizes upright.…

  • Preassembled R.A.M.™ 9mm Ribbed Screw Thread Cap with Fixed PTFE/Silicone with…

    J.G. Finneran

    Bonded septa in the closure provides extra resealability.

  • Culture Tubes, KIM-KAP®, Polypropylene Closures, Autoclavable, Color Coded

    Kimble

    Color Coded - natural, red, green, yellow and blue

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