Use these hollow Teflon® PTFE stoppers for boiling and distilling flasks with ground joints.
• Easily removed from standard tapered glassware by turning the red extraction nut to apply a safe, gentle and even force against the mouth of the vessel• Helps eliminate accidents and breakage
• Autoclave ..
For use with 10mm stirring rods, the body is Teflon® PTFE with a Viton® O-ring.
• Comes complete with two Teflon® PTFE inserts with inside O-ring for fine adjustment of stirring rod tension
• Threaded polypropylene locking compression cap on top
• Extracting nut above the ground joint allows easy a..
Stopper has Teflon® PTFE body with Viton® O-ring.
• Polypropylene screw cap on top has an inside O-ring for depth adjustment of glass tubing
• Bottom inner joint has a threaded extracting nut for easy removal of adapter
• Not AutoclavableTEFLON® is a registered trademark of The Chemours Company FC ..
Stopper-Loc™ Nut allows stirrer bearing to be locked to outer ground joint when stirring viscous materials for long periods of time. _x000D_
• Complete with Stopper-Loc™ Nut and two Teflon® PTFE inserts_x000D_
• Replacement Teflon® PTFE insert with Viton® O-ring for 10mm Teflon® PTFE stirrer bearing..
Teflon® PTFE body with Viton® O-ring for air tight vacuum work (Size 10/18 adapter does not have a body O-ring).
• Adapter has a threaded polypropylene screw cap on top with an inside O-ring for depth adjustment of 6-7mm for straight stem thermometers, glass tubing and other items
• Rotating the ext..