Test Tube Caps

MicroLiter Certified ULTRAPure Septa caps ultra-low bleed silicone inserts in 11 mm silver aluminum crimp caps are available in non-silted and silted versions. Ultra-low bleed blue/teal silicone Shore A is laminated to white PTFE film, 3 mm thick. Silver aluminum crimp caps are lacquer coated....

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...

Metal caps are very resistant to fracture from impact, and are great for industrial and food applications. Plastisol Lined Metal Caps and lids offer excellent resistance to mild acids as in food products, and are generally used on glass bottles and jars.

Tip made of LDPE (Low Density Polyethylene) Extended controlled dropper tip dispenses one drop at a time Average drop size is 44uL

Green Thermoset F217 & PTFE Lined Caps are known for providing the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures. The color green easily identifies the PTFE liner system. Foam backed PTFE liners resist attack from virtually all chemicals...

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...

For use with 18mm screw necks, 13-18mm Culture Tubes, 18-25mm Culture Tubes, 38mm Culture Tubes, 25-50ml Erlenmeyer Flasks, 125-300ml Erlenmeyer Flasks, 500-1000ml Erlenmeyer Flasks, 25-125ml DeLong Flasks and 250-6000ml DeLong Flasks. Sealed-in Silic

Ensure the integrity of your samples with these sterile, double threaded caps designed specifically for 5ml sample collection tubes. Made from natural, durable material, the caps provide a secure fit, minimizing the risk of leakage or contamination. They are sold in bulk packs of 1000, with 10000...

Polyethylene test tube stopper caps are precision-molded and available in either our standard or flat-top style.  Stopper caps are available for every size of Caplugs Evergreen test tube from 8 mm to 17 mm.  Standard version is available in a wide variety of colors and flat-top version is...

Open top caps are ideal for applications requiring addition/withdrawal of vessel contents. Autoclavable to 140ºC.

Encapsulated Kit, Includes Indium and Zinc Designed for precision and reliability, the Encapsulated Kit includes both indium and zinc for a wide array of research applications. This specialized kit ensures safe handling and accurate results, making it an essential tool for professionals in various...

MicroLiter offers products for both LC and GC applications.

Ideal for a variety of laboratory applications, this white polypropylene cap is designed to provide a secure fit for a 33-400 neck size bottle. Its robust construction ensures durability and reliability for long-term use. The cap also features a foam polyethylene liner, which serves as an excellent...

These polyethylene (PE) plug caps are designed in 11mm, 12mm, 16mm and 17mm sizes and are available in a selection of colors for sample identification.

Use these caps with WHEATON or other manufacturers# glass bottles or vials White polypropylene screw cap provides clear surface for writing on cap Foamed polyethylene liner provides chemical resistance for acids, alkalis, solvents, alcohols, oils, household cosmetics and aqueous products Liner...

With PTFE faced silicone liner 45mm screw thread Withstands temperatures up to 200C Autoclavable

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 PBT (thermoplastic polyester) and will withstand temperatures from -45 to 200°C.

24-410 CAP, PP WHT, FMD PE LNR

Universal plug stopper fits most 10mm, 12mm, 13mm & 16mm tubes. Produced from polyethylene (PE), the caps are available in 7 different colors.

In addition to our standard black and white caps, we now offer our VOA Vial caps in a variety of Spring colors. This is an ideal way of color coding your samples.

Azenta products are intended for sale/shipment within the US and Latin America only. All other International customers should contact their local Azenta distributor to place orders for Azenta products.

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: Blue Case Quantity:...

Replacement rubber seals for use with the Nanoject III® from Drummond Scientific. The Nanoject III Rubber Seals by Drummond are essential components designed to maintain the integrity of the Nanoject III device. These seals ensure a secure fit, preventing leaks and maintaining precision during...