Test Tube Caps

Ideal for a variety of laboratory applications, this cap is constructed from sturdy and durable white polypropylene. It is designed to fit bottles with a 15-415 neck finish, ensuring a secure and tight fit. The addition of a foam polyethylene liner further enhances the seal, helping to maintain the...

White polypropylene screw cap provides clear surface for writing on cap Foamed polyethylene liner provides chemical resistance for acids, alkalis, solvents, alcohols, oils, and aqueous products Excellent for environmental samples, pharmaceuticals and diagnostic reagents. 28-410 thread Not...

Designed for standard screw thread vials. Available with or without septa. Easy on and easy off convenience with a twist of the cap that produces an evaporation proof seal. Larger opening provides a increased target area for needle penetration. Specifications: Size: 8mm Case Quantity: 100 Color:...

These pierceable caps are great for recapping vacuum blood tubes and test tubes. They are produced from santoprene (a rubberized material) and can easily be pierced with a syringe.

Septa for Screw Thread Closures This high-quality GPI 13-425 Septa is designed for precise and secure sealing of laboratory bottles. With its robust construction, it ensures a perfect fit for 13-425 GPI bottles, providing an excellent barrier from environmental contaminants. Whether for research,...

AlteCap™ Switch Semi-Automated Screw Cap Handling The only decapper capable of switching between 6, 8 and 12 formats. Quickly cap, decap or recap tubes by column or row. Featuring interchangeable cap driver cassettes for easy processing of different screw cap tube types and tubes in 24, 48 or...

Quickly identify samples using Thermo Scientific™ Nalgene™ PPCO Low-Profile Micro Packaging Vial Closures, offered in a variety of colors. Closures are molded of high-purity, low metal-content polypropylene copolymer resin—excellent for PCR reagents. Features: Vials (listed...

Enhance your laboratory efficiency with these autoclavable, polypropylene closures from DWK Life Sciences (Kimble). Specifically designed for culture tubes, these KIM-KAP closures not only provide a secure seal to safeguard your valuable samples, but their color coding feature also simplifies sample...

Ready assembled crimp closures N 20 and plain crimp caps with no liner Closures available with a broad veriety of septa materials and different cap types / materials, incl. magnetic and bi-metal crimp caps For all autosamplers transporting vials by a magnet, incl. the CTC PAL autosampler, magnetic...

Used for snap thread vials.Caps may be snapped on and off by hand which eliminated the need for a metal crimping and decapping tool. Specifications: Size: 11mm Septa Material: PTFE Case Quantity: 1000

Assembled set for pressure equalization, has screw cap GL 45 with three or four ports that have GL 14 thread. Legal Information: DURAN is a registered trademark of DWK Life Sciences

GL 45 screw cap with either two or three ports that have GL 14 thread. This is a flexible modular system which has four different hose diameters available: 1.6 mm, 3.0 mm, 3.2 mm and 6.0 mm that can be connected.Sterile pressure equalization is possible through use of membrane filter. Legal...

Cap assembly for small biorecator with various fitting arrangements.

Compression Cap Replacements with a hole for use with a thermometer/inlet adaptors or microscale reaction vials.

13-425 STARLINE CAP, PP NAT

Closure System for 2D SAFE® Tubes: Screw Caps IT: To guarantee a tight sealing between Screw Cap and Tube, LVL uses a TPE compression, which forms an indissoluble unit with the polypropylene of the screw cap in the two-component process. The result: the leak-tightness of the tubes was tested...

Enhance your laboratory's efficiency and safety with the Chemglass PTFE NPT Plugs. Manufactured from polytetrafluoroethylene, these plugs offer superior durability and chemical resistance, perfect for rigorous lab applications. Their design fits seamlessly with NPT fittings, ensuring a secure seal...

Black Phenolic Screw Caps are manufactured from specially formulated phenolic resin to resist the effects of temperature and steam autoclaving. They have a non-toxic white rubber liner for all general culture applications.

Septa firmly connected with cap; cannot be removed. Broad variety of closures and caps in different colors Closed top closures with different septa materials for sample storage 9 mm screw cap suitable for almost all autosamplers due to its design in form of a crimp cap Thread design not...

Screw cap for 5.0 ml MacrewTube™ Microcentrifuge tubes. Polypropylene. RNase, DNase, Pyrogen and DNA free. Autoclavable. Temp range +121 °C to -196 °C.

Ensure the safe and secure storage of your laboratory samples with National Scientific's precision-engineered cap screws. These 18mm white cap screws are specifically designed to offer a tight, reliable seal on a variety of bottles, reducing the risk of contamination or spillage. Crafted from...

Safe and easy-to-use button-top aluminum seals allow one-handed operation. Autoclavable Tamper evident No sharp metal edges

Take less time to wipe down then equivalent single tip-cap packages Minimize touch-contamination risk and protect the contents of the syringe during transportation Allow for multiple syringes to be capped during batch preparation Feature latex free caps BD products are intended for sale/shipment...