Test Tube Caps

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...

20-400 CAP, PP RED, OPN, UNLINED

Ensure safe and secure storage and transportation of your valuable liquids with this high-quality Jerrican Vent Cap. Designed for durability and efficiency, it offers controlled release of pressure, enhancing safety during storage and transport. Its robust construction guarantees long-term service,...

24-410 STARLINE CAP, PP WHT

18-400 CAP, PHEN BLK, POLY-SEAL LNR

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:...

Black Phenolic Solid PE Lined Caps offer good chemical resistance and low moisture vapor transmission rate. They are great for nail polish remover and higher concentration acids & alkalis. Good for non-oil products filled at room temperature. Because this lining system is paperless, your samples...

Fits most 16mm glass tubes Fits most 16mm glass evacuated blood collection tubes Thumb tab for easy removal Polyethylene (LDPE) 1000 caps per sealed bag Assorted colors available These colorful snap on closures are an effective way to recap 16mm blood drawing tubes and glass test tubes. They are...

The Ace Glass septa is made from strong glass that provides added durability. septa is used mainly for minimizing pain and inflammation in the injured areas while performing surgical procedures.

Size 15 o-ring connector (15 mm ID) to seal flasks or for use with 216040 HI-VAC® manifold. Supplied with one size 116 FKM o-ring Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements  

Labcon Flat Caps for 50mL Centrifuge Tubes. Flat style screw cap for Labcon 15 mL centrifuge tubes Endotoxin Free (non-pyrogenic) Polyethylene USP Class VI resin Not autoclavable Teal color Made in USA

Solid virgin PTFE liners can be manually inserted into closure and maintains a snug friction fit. PTFE liners are also available in other sizes and thicknesses.

Perfluroalkoxy (PFA) screw thread closures 20mm thread

For pharmaceuticals, specialty chemicals and food ingredients, this jar lid protects your valuable products from moisture, from contamination, and against tampering, ensuring your hazardous solids arrive safely at their destination. The quarter-turn screw lid closure reduces handling time.

MicroLiter 20mm crimp top seals are available in multiple colors and septa types.

Teflon Septum made from PTFE. Size: 14, 25, and 32mm available. Kemtech America's SYNTHWARE Teflon Septum is engineered to provide a reliable seal for bottle caps, preventing contamination and evaporation. The Teflon material ensures chemical resistance, making it suitable for a wide range of...

20-400 CAP, PP BLU, OPN, UNLINED

89-400 CAP, PP WHT, TFE LNR

Ideal for use with biological media, volatile solvents, corrosive chemicals and sensitive compounds Liner is ultrasonically welded to the cap to eliminate the possibility of glue contamination and bond failure common with autoclaving Available in convenient Lab Pack quantities as well as larger Case...

Norell™ Standard NMR Tube Caps are made of low density polyethylene, and available in 3mm and 10mm. Premium Automated NMR Tubes ...an integral component of your spectrometer™.The C-UNI-5000 series NMR tubes are specifically made for today’s automated sample changers, where tube...

Designed for standard screw thread vials. Available with or without septa. Specifications: Size: 8-425, 9-425, 10-425, 13-425 Case Quantity: 100-1000

Pre-assembled closure and septa minimize contamination from handling. Ensure the secure containment and uncompromised integrity of your chemical substances with these Preassembled GPI 13-425 Septa Caps. Designed to fit onto GPI standard threaded bottles, these caps provide an optimal seal, ensuring...