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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
PTFE sealing rings for jointed glassware


PTFE sealing rings for jointed glassware
 NSPK
10Prod.No.9.011 66350
 12Prod.No.7.622 59650
 14Prod.No.9.011 66450
19Prod.No.9.011 66550
24Prod.No.9.011 66650
29Prod.No.9.011 66750
 34Prod.No.7.700 00450
45Prod.No.9.011 66850
Suitable for:
Adapter for thermometer, borosilicate glass 3.3ISOLAB Laborgeräte GmbH
Adapter for tubing, borosilicate glass 3.3ISOLAB Laborgeräte GmbH
Adapters with NS stopcock, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Air condensers without jacket, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Ball members, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Coil condensers, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Columns acc. to Hempel, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Condensers acc. to Allihn for extractors, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Condensers acc. to Allihn with GL threads, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Condensers acc. to Dimroth for extractors, with PP olives, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Condensers acc. to Dimroth, with GL threads, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Condensers acc. to Liebig, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Condensers, ground glass joint, Allihn, borosilicate glass 3.3ISOLAB Laborgeräte GmbH
Condensers, ground glass joint, Liebig, borosilicate glass 3.3ISOLAB Laborgeräte GmbH
Delivery adapters, bent, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Distilling heads acc. to Claisen, sloping, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Distilling heads, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Distilling link, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Distilling links acc. to Claisen with vacuum receiver adapter, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Distilling links acc. to Claisen, with olive, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Distilling links with Liebig condenser and vacuum receiver adapter, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Dropping funnels, cylindrical, with or without pressure equalizing tube, Borosilicate glass 3.3ISOLAB Laborgeräte GmbH
Dropping funnels, cylindrical, with pressure equalizing tube, borosilicate glass 3.3Lenz-Laborglas GmbH & Co. KG
Drying tubes, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Drying tubes, U-shaped, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Expansion adapters, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Gas inlet tubes, bent, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Multiple adapter, 2-neck, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Multiple Adapters, 2 necks, borosilicate glass 3.3ISOLAB Laborgeräte GmbH
Receiver adapters, with olives, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Socket members, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Sockets / Cones with NS joint, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Soxhlet extractors, without stopcockISOLAB Laborgeräte GmbH
Spiral condensers, borosilicate glass 3.3ISOLAB Laborgeräte GmbH
Spiral condensers, with GL threads, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Splash head adapter, ground glass joint, borosilicate glass 3.3ISOLAB Laborgeräte GmbH
Splash heads acc. to Stutzer, straight or bent, DURAN® tubingLenz-Laborglas GmbH & Co. KG
Threaded tube with NS core, DURAN® tubingLenz-Laborglas GmbH & Co. KG

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