Test Tube Caps

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: 9mm Case Quantity: 1000 Color:...

Screw cap made of radiation grade polypropylene Variety of colors Packaged in case of 100 or 1000

Globe Scientific’s Pierceable Plug Stoppers for 13mm tubes are designed to provide a secure seal while allowing syringe access without removing the cap—making them ideal for clinical, diagnostic, and lab testing environments. These versatile stoppers are perfect for recapping vacuum blood tubes and...

AlteCap™ Solo Single Screw Cap Handling Quickly cap, decap or recap single tubes Flexible – easy to use, intuitive touch button controls. Light and portable Functionality – recap tubes or dicard used caps. Apply fresh caps from a cap carrier Stand included – convenient for...

Snap Caps are designed for KIMAX volumetric flasks Yellow polyethylene Caps may not be usable with items lacking necks specially tooled to proper diameters and contours Fits 1000mL volumetric flasks

Excellent for general laboratory use Specially formulated phenolic resin and liner adhesive to withstand the effects of repeated autoclaving PTFE-faced/general purpose white rubber liners are highly resistant to chemical effects Identified in ASTM Specification E982, Class A requirements

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...

Available in multiple colors and package sizes.

Closure size: 70mm; vacuum limit: 5in (127mm) Hg; pressure limit: 2 psig (0.137 bar) Fluid transfer closure is composed of polypropylene and is made for fluid transfer in the lab or field Autoclavable closure fits Nalgene® Mason jars or 125mL and 250mL straight-sided jars with 70mm closures Top...

24-410 STARLINE CAP, PP RED

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in...

15-425 CAP, PP WHT, PTFE/FMD PE

Protect your valuable liquids with the premium insert cap from Bel-Art - SP Scienceware, designed explicitly for 43mm spout jerricans. This cap ensures a secure, leak-free environment, making it ideal for the safe transportation and storage of fluids in a laboratory or industrial setting. With its...

Ensure protection for your lab samples with these flanged plug caps from Globe Scientific. Designed to fit 12mm bottles, they provide a secure seal to prevent leakage and contamination. These durable caps are perfect for a wide range of laboratory applications, offering reliable and consistent...

Reduce probe servicing time and eliminate assembly problems using Thermo Scientific™ Orion™ Membrane Caps for Polarographic Dissolved Oxygen Probe. Convenient screw-on membrane caps help ensure optimal probe performance

Red Caps fit EMPTY 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. Use with Empty FastPrep Tubes. Add sample to empty tube, add appropriate Lysing Matrix material and lysing...

Molded inner ring of linerless cap seals into the neck of a GL45 media bottle.  Caps are autoclavable to 140ºC.

Septa Caps fit VOA vials and jars with the matching finish. The same high quality septa caps used on our Thermo Scientific VOA Vials, septa bottles and septa jars. Processed to meet EPA Performance Based Specifications for Volatile Organic Analysis.

13-425 STARLINE CAP, PP RED

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

24-400 CAP, PHEN BLK, POLY-SEAL PE CONE

Ensure reliable seal integrity with our high-quality Microcentrifuge Tube Screw Caps. These caps provide a secure closure to protect, contain, and preserve contents, ideal for a wide range of laboratory applications. They are designed for easy use, facilitating quick tube capping and uncapping,...

Suitable for a wide range of applications Excellent moisture barrier Good for mild acids, alkalis, solvents, alcohols, oil and aqueous products Cap liner consists of one mil poly vinyl film bonded to one mil HDPE on a #30 white pulp paper backing. Superior to plain pulp paper because it provides...

Screw caps and pouring rings for use with GL threaded bottles. For steam autoclaving, we recommend PBT (polybutylene theraphthalate) caps with a PTFE liner, -45 to 180 degrees C rated. Polypropylene is only rated to 140 degrees C. 316L stainless steel cap is for use with stainless steel laboratory...