Dr. Dietmar Glindemann 

PTFE sealing rings for jointed glassware

An effective alternative to common PTFE joint sleeves and PTFE stoppers.
  • Air leakage <10-8 to 10-6 mBar l/s (vacuum and pressure)
  • Solvent leakage from containers < 0.1 to 0.03mg/day
  • Temperature range: -196 to 300°C
Temperature resistance:-196 ... 300 °C
PTFE sealing rings for jointed glassware


PTFE sealing rings for jointed glassware
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PTFE sealing rings for jointed glassware

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NS10PTFE509011663K10
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NS19PTFE509011665K19
NS24PTFE509011666K24
NS29PTFE50901166739 K29
NS34PTFE507700004K34 
NS45PTFE5090116683 K45
Suitable for:
Adapter for thermometer, borosilicate glass 3.3 / ISOLAB Laborgeräte
Air condensers without jacket, DURAN® tubing / Lenz-Laborglas
Ball members, DURAN® tubing / Lenz-Laborglas
Coil condensers, DURAN® tubing, with glass olives / Lenz-Laborglas
Coil condensers, DURAN® tubing, with plastic olives / Lenz-Laborglas
Columns acc. to Hempel, DURAN® tubing / Lenz-Laborglas
Condensers acc. to Allihn for extractors, DURAN® tubing, with plastic olives / Lenz-Laborglas
Condensers acc. to Allihn for extractors, DURAN® tubing, with glass olives / Lenz-Laborglas
Condensers acc. to Allihn with GL threads, DURAN® tubing / Lenz-Laborglas
Condensers acc. to Dimroth for extractors, with PP olives, DURAN® tubing / Lenz-Laborglas
Condensers acc. to Dimroth, with GL threads, DURAN® tubing / Lenz-Laborglas
Condensers acc. to Liebig, DURAN® tubing, with glass olives / Lenz-Laborglas
Condensers acc. to Liebig, DURAN® tubing, with plastic olives / Lenz-Laborglas
Condensers, ground glass joint, Allihn, borosilicate glass 3.3 / ISOLAB Laborgeräte
Condensers, ground glass joint, Dimroth, borosilicate glass 3.3, PP-olive / ISOLAB Laborgeräte
Condensers, ground glass joint, Liebig, borosilicate glass 3.3, with PP olives / ISOLAB Laborgeräte
Condensers, ground glass joint, Liebig, borosilicate glass 3.3, with glass olives / ISOLAB Laborgeräte
Cones with NS joint, DURAN® tubing / Lenz-Laborglas
Delivery adapters, bent, DURAN® tubing / Lenz-Laborglas
Distilling heads acc. to Claisen, sloping, DURAN® tubing / Lenz-Laborglas
Distilling heads, DURAN® tubing / Lenz-Laborglas
Distilling link, DURAN® tubing / Lenz-Laborglas
Distilling links acc. to Claisen with vacuum receiver adapter, DURAN® tubing / Lenz-Laborglas
Distilling links acc. to Claisen, with olive, DURAN® tubing / Lenz-Laborglas
Distilling links with Liebig condenser and vacuum receiver adapter, DURAN® tubing / Lenz-Laborglas
Dropping funnels, cylindrical, with pressure equalizing tube, borosilicate glass 3.3, with glass key / Lenz-Laborglas
Dropping funnels, cylindrical, with pressure equalizing tube, borosilicate glass 3.3, with PTFE key / Lenz-Laborglas
Dropping funnels, cylindrical, with pressure equalizing tube, Borosilicate glass 3.3 / ISOLAB Laborgeräte
Dropping funnels, cylindrical, without pressure equalizing tube, Borosilicate glass 3.3 / ISOLAB Laborgeräte
Drying tubes, DURAN® tubing / Lenz-Laborglas
Drying tubes, U-shaped, DURAN® tubing / Lenz-Laborglas
Drying tubes, U-shaped, DURAN® tubing, with interchangeable ground joint stopcocks / Lenz-Laborglas
Expansion adapters, DURAN® tubing / Lenz-Laborglas
Gas inlet tubes, bent, DURAN® tubing / Lenz-Laborglas
Multiple adapter, 2-neck, DURAN® tubing / Lenz-Laborglas
Multiple Adapters, 2 necks, borosilicate glass 3.3 / ISOLAB Laborgeräte
Receiver adapters, with olives, DURAN® tubing, bent 105° / Lenz-Laborglas
Receiver adapters, with olives, DURAN® tubing, straight / Lenz-Laborglas
Socket members, DURAN® tubing / Lenz-Laborglas
Sockets with NS joint, DURAN® tubing / Lenz-Laborglas
Soxhlet extractors, without stopcock / ISOLAB Laborgeräte
Spiral condensers, borosilicate glass 3.3, with glass olive / ISOLAB Laborgeräte
Spiral condensers, borosilicate glass 3.3, with PP olive / ISOLAB Laborgeräte
Spiral condensers, DURAN® tubing, with glass olives / Lenz-Laborglas
Spiral condensers, DURAN® tubing, with PP olives / Lenz-Laborglas
Splash head adapter, borosilicate glass 3.3, straight / ISOLAB Laborgeräte
Splash heads acc. to Stutzer, bent, DURAN® tubing / Lenz-Laborglas
Splash heads acc. to Stutzer, straight, DURAN® tubing / Lenz-Laborglas
Threaded tube with NS core, DURAN® tubing / Lenz-Laborglas