Select from polypropylene (PP), polyethylene (PE) or magnetic silver caps with various septum materials. Caps are available in different sizes, colors, septum materials, and open or closed configurations to suit your application. UltraBond cap and septum form a one-piece unit with a bonding process without adhesives for contamination-free results. Pre-slit septa prevent a vacuum forming inside the vial.

Please Note: Vials, caps, and septa formerly under the Kinesis brand have now been rebranded Cole-Parmer. All the same great features and specifications, just with a new and improved look.