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PTFE Sealing rings for glass joints

Greaseless joints extra tight and extra clean. An alternative to common PTFE-joint sleeves and PTFE stoppers. Air leakage < 10-8 to 10-6 mbar * l / s (high vacuum and overpressure). Solvent leakage from jars < 0.1 to 0.03 mg / day. Rings match KECK plastic joint clamps, do not deform and are reuseable.
PTFE Sealing rings for glass joints
NSPUOrder No. Price/Unit/GBP 
10505011335-on demand 
14505011336-on demand 
19505011337-on demand 
24505011338-on demand 
29505011339+on demand 
34505011340-on demand 
45505011341-on demand