Test Tube Caps

Aluminum Seal 20mm Specifications: Material: Aluminum Unlined Natural Color Fits 20mm Anaerobic Glass Tube 2048-00150 Use with Hand Crimper 2048-10020  

Bonded septa in the closure provides extra resealability. Ensure secure and clean sealing with this Preassembled R.A.M. 9mm Ribbed Screw Thread Cap that comes with a Fixed PTFE/Silicone with Slit Septa. Designed for precision and reliability, this cap offers airtight sealing to prevent contamination...

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

Dispense just one drop at a time, with convenient, one-hand operation Captive spout cap stays in place when bottle is squeezed

Ensure a secure seal and controlled dispensation with this 28mm Closure Stem and Drawtube. Made with precision, it serves as an essential component for laboratory bottles used for storing and dispensing various substances. These components are particularly designed to withstand rigorous scientific...

Reduce the risk of contaminating contents using Thermo Scientific™ Nalgene™ PPCO High Profile Closures with Color Coders for Micro Packaging Vials. Polypropylene copolymer closures have no o-ring to fall out and contaminate content, and they are offered in a variety of colors. Features:...

MicroLiter offers products for both LC and GC applications. Ensure a secure, tight seal and mitigate the risk of contamination or leakage with these 11mm Snap Caps. Featuring Starburst PTFE/Silicone Septa, they provide a robust and reliable seal suitable for a wide range of laboratory applications....

Available in multiple colors and package sizes. Ideal for a range of scientific applications, these 9mm Screwthread Autosampler Vial Caps come equipped with FKM Fluoroelastomer Septa. They provide a reliable sealing solution, ensuring the integrity of samples during storage and transportation. The...

These reusable Corning® caps are fabricated specially formulated phenolic resin to resist the effects of temperature and steam in autoclaving. Caps are provided with a glued-in white rubber liner.

MicroLiter vials are cleaned and packaged in a certified Class 10000 clean room according to a designed process, developed to eliminate chromatographic errors associated with vials Critical physical dimensions are fully tested, as well as chemical clea

Available in multiple colors and package sizes. Enhance your scientific research and ensure sample integrity with the 9mm Screwthread Autosampler Vial Caps, featuring durable ETFE/Silicone Septa. These caps provide an effective seal for vials used in high-throughput, automated lab environments,...

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...

Natural molded polypropylene closures are a convenient alternative when a resealable closure is not required. The thin membrane allows for easy needle penetration and the purchase and assembly of septa are not required with this easy-to-use one-piece closure.

Polypropylene Hole Caps are known for good impact strength, cost effectiveness, and pliability. Septa sold separately.

Blue 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.

Ensure the secure sealing of your laboratory bottles with these 16mm plug caps. These caps are designed to provide a tight fit, preventing leakage and contamination of the bottle contents. Made from durable materials, they are resilient and long-lasting, making them a reliable choice for any lab...

This replacement cap can be used on all High Yield Performance HYPER Flasks (Cat. No. 10020, 10024, 10030, 10034) 33mm threaded cap Solid cap is used in closed systems or applications where venting is not necessary Sterilized by gamma irradiation Disposable

Metal caps offer the widest range of temperature tolerances and are very resistant to fracture from impact. Metal caps are great for industrial and food applications. A metal closure is manufactured from either steel (coated with anti-corrosive coating of either chromeplate or tinplate) or aluminum....

SBS-format screw cap carriers to enable automated capping of 96-format sample storage tubes FluidX Cap Carriers are for manual use or for use with FluidX AperioTM Semi-Automated Capping and Decapping systems and XSD-Series Automated Capping and Decapping systems Supplied in case of 10, pre-filled...

11 mm cap Agilent Technologies products are intended for sale/shipment within the US only. International customers should contact their local Agilent Technologies distributor to place orders for Agilent Technologies products.

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...

Septa are assembled, caps are ready-to-use. Enhance your laboratory's efficiency with the use of these high-quality magnetic crimp caps, N 20. These caps are specifically designed to provide a secure seal for your vials or bottles, ensuring the integrity of the contents and reducing the risk of...

The Finneran 9 mm ribbed open hole cap is used with threaded vials to ensure tight sealing of the stored sample. It is mainly used in research laboratories or in chemical industries. This cap is made of sturdy polypropylene material which ensures long lasting usage and durability.