Test Tube Caps

MicroLiter offers products for both LC and GC applications.

28-410 STARLINE CAP, PP WHT

The BrandTech sealing ring is compatible to use with dispensette valve blocks. The strong PTFE construction offers good durability and endures rigorous usage.

Ideal for laboratory use, these 8mm Aluminum Crimp Seals offer a reliable and durable solution for sealing bottles. Made of high-quality aluminum, these crimp seals ensure a tight, secure seal that withstands various environmental conditions. They are easy to apply, providing a practical, efficient...

Aluminum foil-faced pulp board liners Use these caps with organic solvents

Engineered for a "push on" fit in NMR tubes and ampules. The unique design provides a penetration point for cannulation and a dual seal inside the tube and on the outer sleeve. Will not break delicate, thin-wall tubing. Manufactured from one certified raw material formulation for absolute...

24-410 STARLINE CAP, PP BLU

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...

Caps are designed to fit GL 45 threaded ware. Autoclavable Solid top polypropylene or open top with membrane A variety of cap colors available Red, high-temperature version made from PBT(polybutylene terephthlate)

Fits most 12mm, 13mm and 16mm plastic test tubes. Polyethylene Assorted colors available.

High temperature resistivity range – shatter/crack resistant and ideal for boiling Easy ¾ turn to open and close Translucent and Opaque Cap O-rings ensure leak-proof seal Translucent and Opaque Caps contain O-ring of easily visible contrasting color Caps are available in various colors...

Thermo Scientific* Nalgene colored closures are one-piece and linerless with integrally molded seal ring to ensure leakproof performance. The opaque closures protect contents from UV light when used with opaque bottles.

Excellent for Culture Tube and Flask Closures. 305 Stainless Steel, Non-Corroding. Lanced fingers grip firmly after repeated autoclaving.

Universal Columns have a multitude of applications in life sciences as well as in clinical applications. The universal column has a reservoir section, a straight resin section, and a luer lock-compatible tip.  The reservoir has a wide-mouth opening for easy pouring.  The reservoir is...

Caps are designed to fit GL 45 threaded ware. Autoclavable Solid top polypropylene Cap colors available in blue, white, orange, gray, green, or pink High-temperature version with red cap available

Eliminate the need for crimping and decapping tools Fits the Wheaton E-Z Vials with Snap Ring Top Manufactured from polyethylene Choose from 5 colored caps and a variety of septa

The LVL Technologies empty rack is made of high-quality polypropylene material. Offering a robust solution for maintaining organization in your laboratory, this Empty Rack is designed to accommodate a variety of supplies. Engineered with precision, it provides an efficient system for managing your...

For internal thread tubes Mobile, battery-operated 4/6/8 channel decapper for table use Capping/Decapping 4/6/8 tubes at once Integrated dropping mechanism   F or external thread tubes Semi-Automated 4/6/8-Channel Capper/Decapper Semi-automated hand-held capper/decapper with ergonomic design...

Foxx Life Sciences EZBio® Single Use Cap Assembly for 2000mL Bottles with Tubing and Vent Filters are perfect for fluid transfer and storage. Assemblies are made entirely with USP Class VI components and Gamma Irradiated in the United States. Assemblies take advantage of Foxx's patented...

High Temp Pouring Ring, Autoclavable to 180 degrees C Ensure a steady and precise pour with the 45mm High Temp Pouring Ring, designed for rigorous laboratory use. This ring, constructed from Red ETFE, is notable for its superior resistance to high temperatures and potential chemical interactions,...

Used to distinguish different types of samples in the lab, order with 50mL DigiTUBEs. Enhance your laboratory's safety and efficiency with Analytichem's DigiTUBE Screw Caps. These caps offer a reliable closure solution for a variety of laboratory bottles, providing a strong seal to ensure secure...

13-425/24-400 CONNECTION, BLK PHEN

Cap is made of polypropylene (PP), Seal made of thermoplastic elastomer (TPE) Cap receptacle for capper/decapper Storage at up to -196°C (LN2) Up to 13 different colors selectable Available as bulkware or on cap racks

The Sarstedt blue screw cap, with a durable construction, is an ideal accessory to have in any chemical laboratories, research facilities, manufacturing industries and pharmaceutical factories.