Test Tube Caps

18-400 CAP, PP WHT, FMD PE LNR

Biodegradable Plastic Cylinder Mold Lids are purchased separately to fit Gilson Biodegradable Plastic Cylinder Molds. Slight dome shape with internal ridge snaps tightly over lip of molds. Use of tight-fitting lids assures positive moisture retention.

Designed to work in Shimadzu and Waters WISP™ 48 position autosamplers. 4.0mL Amber Vial Black Closure, Red PTFE/Silicone Septa, 0.065"

MicroLiter Certified ULTRAPure Septa caps ultra-low bleed silicone inserts friction fit into 9 mm natural polypropylene caps are available in non-silted and silted versions. Ultra-low bleed blue/ teal silicone Shore A is laminated to white PTFE film, 1 mm thick. Note: pictured on vial, but not...

Ideal for a wide range of laboratory applications, this white, polypropylene cap is designed to securely fit 22-400 bottles. The cap's construction incorporates a PTFE/FMD PE lining, ensuring exceptional chemical resistance and durability, thereby safeguarding your valuable samples and solutions....

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...

Pre-flared, shallow, thin-walled aluminum cap for reinforcing XRF pellets. Commonly used in the production of pressed power sample disks for XRF but also used for OES and other analytical techniques. Forms the bottom and sides of the finished pellet. 31 mm wide x 8 mm deep. Produces pellets 31 mm x...

FlowLinX conical tube caps are ideal for use with conical sampling tubes for aseptic fluid sampling applications used in cell culture, fermentation, chromatography, sterile bulk and transfer.  The caps are available in 50mL and 15mL size with 1/8" hose barbs

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:...

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...

Enables Sarstedt tubes to be capped and decapped with the AlteCap Solo decapper. 

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...