Test Tube Caps

13-425.20-400 CONNECTION, BLK PHEN

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: 10mm Color: Black Case Quantity:...

These caps, made of polypropylene, are ideal for use with volatile solvents, sensitive compounds, and biological media. The SURE-LINK process welds each cap with a Polypropylene/PTFE/Silicone liner bonded to the cap. This process allows the cap to maintain seal through multiple autoclaving...

Replacement closed-top polypropylene closures and PTFE liners are sold separately and unassembled except for 1709B73, which is a 24-414 size that comes with a bonded-in PTFE-lined silicone liner.

For use with 25mm Culture Tubes or 32mm Sidearms. Silicone Sponge Plugs are the ideal replacement for cotton plugs when working with aerobic cultures. They cut losses due to evaporation in half in comparison to cotton plugs, thus minimizing changes in pH values. They can be dry heat sterilized...

Semi-Automated Handheld Screw Cap Decapper, 8-channel provides users with a flexible solution for capping and decapping 96 format screw caps for low-to-mid throughput environments, with easily interchangeable cartridges to switch between tube types. The 8-channel hand-held capper and de-capper...

Ensure your scientific samples maintain their integrity with this Septa, Flat, PTFE Faced. Made of durable materials, it provides a secure seal to prevent leaks and contamination, thereby enhancing the overall efficiency of your experiments. The PTFE facing adds a chemically inert and heat-resistant...

Full specifications Clear Glass Closed Top Screw, Level 2 White Polyethylene Foam/White PTFE

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