Test Tube Caps

Black phenolic screw cap Poly-Seal liner is manufactured from low density polyethylene Unique cone liner design offers superior torque retention and excellent sealing characteristics It is recommended that liner be tested prior to use for leak resistant applications

With easy-to-read scale and large labeling field for easy marking in fired-on, highly durable ceramic ink. Complete system including DURAN® Pressure plus laboratory bottle with 4-port screw cap (PP) , four screw connectors (black, M* thread) and silicone seals . Connection of different hose...

Our autoclavable Foam Plugs fit both wide and narrow vials, as well as our drosophila bottles. Available in our signature Azer blue.

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

Multiport connector caps

A tight-fitting, polyethylene cap which stays in place even with a build-up of internal vaporization pressures.

The reusable KIMBLE® silicone lids stretch easily and adapt to many container sizes, improves lab safety, enhances sample management, offers a more sustainable and cost-effective solution over foils, films and other single-use covers.

Replacement CHEM-CAP® plug and control knob for CHEM-VAC™ high vacuum valves CG-951 through CG-960. Plug is sold complete with control knob and CHEM-CAP® stem. PLEASE NOTE: CONTROL KNOB IS NOT SOLD SEPARATELY ON THE CG-900 SERIES VALVE. THE 0-20mm BORE SIZE VALVE IS OUR PREVIOUS STYLE...

Foxx Life Sciences PUREGRIP® HPLC Solvent Reservoir Caps and Bottle system offer the safest and most ergonomic lab safety solution in the industry. This system come with VersaCap®, a Class VI PTFE Manifold, chemically resistant Viton O-Ring & Air Inlet Valve combined with a Foxx 25mm,...

20-400 CAP, PP WHT, CLSD, UNLINED

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: 13mm Color: Black Case Quantity:...

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 Color: Blue Case Quantity:...

Replacement polypropylene open top closures have a bonded-in 0.045” thick septa except for 1709B03, which is a 24-414 open top closure without septa. Choose an I-CHEM® 0.125” thick, 22 mm, PTFE silicone replacement septum to complete the closure system. Thin septa are also available.

MicroLiter's 11mm AlumiTin crimp-top autosampler vial seals are available in multiple colors and septa types.

High Temp Pouring Ring, Autoclavable to 180 degrees C Ensure precise and seamless pouring in your laboratory with this 45mm pouring ring made from durable blue polypropylene. This high-quality pouring ring is designed to fit most standard laboratory bottles and flasks, reducing the risk of spills...

The Solvent Waste system also features a closed-loop design, which protects against leaks and spills, improving overall lab safety. Each Solvent Waste System comes with one 83mm or 120mm open VersaCap, fittings, plugs for unused ports, a replaceable sulfur-cured EPDM gasket, and a chemical exhaust...

Pre-assembled caps and septa reduce the chance of contamination of the septum during sample preparation Assembled closures and septa save sample preparation time Caps are manufactured of high quality polypropylene Plastic Microsampling Vials

20-410 CAP, PP WHT, FMD PE LNR

11 MM SEAL, SOLID TOP, ALUM NAT, UNLINED

13-425 STARLINE CAP, PP GRN

Material: Red PTFE/Silicone Septum Feature: Closure type crimp seal Packaging: Package of 1,000 each Seal Diameter: 11 mm Fitting: Closure for 11 mm crimp top vial

13-425 CAP, PP WHT, TFE LNR

The Finneran 9 mm septa in white color, is mainly used with screw thread closures for tight sealing of the stored sample. It is mainly used in research laboratories or in chemical industries. This septa is made of sturdy PTFE material which ensures long lasting usage and durability.

Cap is made from PBT (thermoplastic polyester) and will withstand temperatures from -45 to 200°C. PTFE seal is also available separately.