•This narrow ring seal is an alternative to a PTFE joint sleeve
•Greaseless protection for air- and moisture- sensitive compounds
•Can be used for prolonged storage under vacuum
•Slide easily onto medium and full length taper joints
•Can be used with Keck® clip and similar metal joint clips
Synonyms: ptfe ring; ptfe sealing
Legal Information: Keck is a registered trademark of Adcuram Lab Technologies GmbH