Test Tube Caps

Purple LVL cap, sterile

18-400 CAP, PP WHT, PTFE/FMD PE

20-400 CAP, PP WHT, FMD PE LNR

Sarstedt's Push Cap is specifically designed for use with 13 mm test tubes, providing a reliable sealing solution. The cap ensures a tight fit, minimizing the risk of sample contamination or spillage. Made from durable materials, it withstands various laboratory conditions while maintaining its...

Straight Removable Hose Connection and Nylon Caps in either 9.5mm or 11mm. Synthware, Sizes: 14 and 18.

Identify samples quickly using Thermo Scientific™ Nalgene™ PPCO Low-Profile Closures for Micro Packaging Vials, offered in a variety of colors. Closures are molded of high-purity, low metal-content polypropylene copolymer (PPCO) resin—excellent for PCR reagents. Closures are...

Patented VersaCap® is leak-proof, has replaceable platinum-cured silicone gaskets, and provides the ultimate in top-connection flexibility. Open VersaCap® is compatible with a variety of adapter inserts, enabling users to quickly change the top connections of each carboy or bottle to match...

Thermo Scientific™ Nalgene Closures for Large Carboys and Bottles are made of white polypropylene (PP). Screw Closures are designed to fit only Nalgene Carboys and Bottles to provide a guaranteed leakproof system. TPE Sealing Gasket for Nalge # 2162-0530

Open top cap for use with GL screw threads. The cap combined with the CG-197 sealing ring will accommodate tubing of the listed diameter. Cap is made from PPS (polyphenylsiloxan) and will withstand temperatures up to 250°C. *** HOSE CONNECTION SOLD SEPARATELY. SEE CG-198-H ***

Phenolic Pulp/Vinyl Lined Caps are perfect for general use. The liner is made of a vinyl coating applied to high density polyethylene coated paper and then it is laminated to pulpboard. This general purpose liner is commonly used for food, beverage, medical and chemical applications packed at less...

Manufactured from red PTFE silicone. Ideal for screw thread vials. Specifications: Autoclaveable Material: PTFE Silicone Size: 8mm Sept Thickness:0.010" Case Quantity: 1000

20-410 STARLINE CAP, PP BLU

For use with Globe Scientific's 6030 to 6059 sample tubes with external threads. These Screw Caps with O-Rings are designed to offer a secure, leak-proof seal for sample tubes, ensuring optimum sample integrity during storage or transportation. Comprising of high-quality material, they provide...

20-410 STARLINE CAP, PP NAT

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....

Bonded septa in the closure provides extra resealability. Enhance your laboratory efficiency with this preassembled R.A.M. 9mm ribbed screw thread cap, equipped with a fixed PTFE/Silicone septum with a slit. The cap's robust construction ensures reliable performance and longevity, while the...

Identify samples quickly using Thermo Scientific™ Nalgene™ Amber PPCO High-Profile Closures with Color Coders for Micro Packaging Vials. Noncytotoxic and nonpyrogenic, these closures do not use O-rings that might fall out or contaminate contents. Features: Vials (listed separately) and...

Ideal for the connection of elastic, soft tubing, which, for example, is used in biotechnology when transferring media with the aid of peristaltic pumps. The curved hose connections prevent kinking of the tubing. The grey PP core moves freely and allows the vessel to be changed without twisting of...

63-400 CAP, PP WHT, TFE LNR

Foxx Life Sciences’ EZWaste® HPLC Caps are designed to be an affordable solution for liquid waste disposal. Each system is manufactured to combine with any 38-430, GL45, 51S, 53, S70 or 83B threaded container and safely collect waste from one or more HPLC systems. These assemblies feature...

• Material: Low Binding Virgin Polypropylene • Best sealing capability thanks to our patented, highly reliable two-point TPE (thermoplastic elastomers) compression in the LVL screw cap. The sealing points are located on the inner wall and on the upper edge of the tube. This highly...

Fit Thermo Scientific™ Nalgene™ Narrow Mouth and Wide Mouth Bottle Replacement Closures onto Nalgene narrow mouth and wide mouth bottles.

The Greenwood Products 9 mm threaded cap with PTFE/silicone pre-slit septum, is suitable for use in research facilities and chemical laboratories. It is made of high quality polypropylene material which ensures durability and long lasting usage.