Test Tube Caps

The Finneran 20 mL VOA vial is mainly used in research laboratories or in chemical industries. It is suitable for use with chromatography autosamplers, solid cap and liners for analysis. This vial comes with 24 - 400 mm solid top white polypropylene closure which ensures tight sealing of sample.

Eliminate spills with Thermo Scientific™ Nalgene™ Colored Polypropylene Closures. These one-piece, linerless closures fit Nalgene™ narrow-mouth 4mL bottles. They feature an integrally molded seal ring and a well-defined closure knurl that makes gripping and capping easy.

Suitable for a variety of research and medical applications, these 48 format Blue LVL Caps are specially designed to prevent cross-contamination. Stored in a dedicated cap carrier for easy transport and accessibility, the caps are free from RNase, DNase, and human DNA. These features ensure that...

Screw caps for Wheaton liquid scintillation vials Use as replacement caps or for vials that are provided without caps Choose the right size screw cap for your vial Select cap and liner material for your application Case of 1000 provides an economical alterative Not autoclavable

Larger opening provides increased target area for needle penetration. Available in a variety of colors for easy sample identification. Specifications: Size: 11mm Septa: Clear PTFE Or Red Rubber Case Quantity: 1000

MicroLiter's 11mm AlumiTin crimp-top autosampler vial seals are available in multiple colors and septa types.

Broad variety of closures in different colors Hard PE caps for better sealing; soft, light blue PE caps for more convenient handling (easy push on and removal of caps) Septa material used for the production of the snap ring closures has – aside from physical inspection – also been tested...

Purple Caps fit empty 2mL FastPrep Tubes and are used in Fastprep systems to hold sample for Homogenization. Available separately for those who wish to fill their own Lysing Matrix Tubes. Colored screw cap with o-ring.

These screw caps are suitable for all Globe Scientific screw top microcentrifuge tubes. The caps are available in a variety of colors, with or without a clear (natural) nitrile o-ring. The caps are available in a variety of colors, with or without a clear (natural) nitrile o-ring

Medium durometer PTFE / silicone septum Allows for good resealability, core resistance, multiple injections and easy penetration

MicroLiter's 11mm AlumiTin crimp-top autosampler vial seals are available in multiple colors and septa types.

For use with 18mm screw necks, 13-18mm Culture Tubes, 18-25mm Culture Tubes, 38mm Culture Tubes, 25-50ml Erlenmeyer Flasks, 125-300ml Erlenmeyer Flasks, 500-1000ml Erlenmeyer Flasks, 25-125ml DeLong Flasks and 250-6000ml DeLong Flasks. Sealed-in Silic

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...

20-400/24-400 CONNECTION, BLK PHEN

20-410 STARLINE CAP, PP RED

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

20-400 CAP, PP BLK, CLSD, UNLINED

Globe Scientific caps for automated systems fit several of the most popular platforms and fit seamlessly into capping processes. These cost-effective alternatives to OEM caps are manufactured to the highest standards to ensure efficient sample processing. • Seamless cost-effective replacements for...

There is increasing evidence that exposure to PFAS (Per-and Polyfluoroalkyl) can adversely affect human health.  Per-and Polyfluoroalky substances do not break down, accumulating over time.  PFAS are widely used in materials such as PTFE.  Due to Government regulations that mandate...

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...

24-400 CAP, PP WHT, FMD PE LNR

These 16mm Screwthread Headspace Vial Caps are an essential tool for any laboratory setting, providing a secure seal for vials used in various scientific research and medical applications. Designed for a precise fit, these caps prevent possible contamination or leakage, ensuring the integrity of the...