Stoppers

The caps are available as a closed-top cap with a high temperature PTFE coated cap liner, or as an open-top cap for use with septum or stopper. Metal closures offer a wide range of temperature tolerances and have a high mechanical strength.

• Free of hydrocarbon-based plastics, plasticisers, phthalates, etc.
• High temperature usage up to 260 °C
• Thread fits all DURAN^® GL 45 glass bottles
• Secure sealing with USP <88> Class VI PTFE coated silicone cap liner
• Electrically conductive material - ESD dissipation
• Cap liner is supplied unmounted

Two different types of closures: Grip stopper or Screw cap.

Proporties:

• Supplied with or without screw cap
• The integrity seal screw cap ensures sterility and intactness
• unbreakable and resistant against many chemical influences

Autoclavable. Colour coded....

No leakage or dripping with the VENT-CAP screw cap, the design of which prevents almost all static overpressure....

With PTFE coated rubber seal....

Transparent. With single hole. Heat resistant to 260°C....

BS2775. Each stopper has a moulded number which corresponds to the bottom diameter in mm.
Natural red, solid....

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Plastic stopper with NS 19, PPC, for Karlsruher BOD bottle...

Amber, honed....

Stoppers manufactured to DIN standard 12242 ensuring an effective seal, even on non-standard surfaces....

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For LDPE dropping bottles with thread....

The dispenser tips are available sterile and individually packed or non-sterile in bulk....

• Made from high quality polyethylene
• Ribbed plugs with 2 sealing ribs for very tight sealing
• Easy handling with a high, ribbed grip
• Easy to open by tilting ("one-hand operation")

For closing glassware such as ground flasks or laboratory bottles. DG-joint quality....

Glass stopper for tight sealing of standard ground vessels, DIN 12 252....

With flat bottom....

Connecting equipment and fittings with GL threads with hard-walled tubing or tubes made of glass, plastic or metal. Fixing probes, thermometers, dip tubes or cables in reaction vessels. Black screw caps made of PPS, inner parts consisting of a v-ring (PPS), a tapered ring and a sealing ring (both PTFE) as well as an o-ring (FKM) for tubing diameters under 3 mm (not exposed to the medium). Good chemical resistance, the medium is only exposed to PTFE. Temperature resistant from -50 to 250 °C, pressure stable up to 10 bar, suitable for vacuum....

For conical ground joints....

Octagonal. Suitable up to max. 80 °C....

DIN 12871. With two holes....

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Natur....