Joint Grease For Stopcocks

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Joint Grease For Stopcocks
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  • Thomas® Lubriseal Stopcock Grease

    Thomas®

    For lubricating ground glass joints, glass and metal stopcocks and valves, and for sealing desiccators, anaerobic culture jars and similar utensils Its mobility in film-like quantities makes it excellent not only for lubricating, but for preventing the freezing of stopcocks, ground joints,

  • Silicone-Free, Ultra High Vacuum Grease

    Apiezon

    …corrosion of small metal fastenings. Anti-Seize Vacuum Grease Non-hazardous Solvent resistant General purpose vacuum grease for vapor pressure of -5 mm Hg at 20°C. Melting point >200°C. Working temperature range -40 to +180°C. Will not leach out of ground glass joints and stopcocks.

  • Cap, with Stopcock

    Ace Glass

    For No. 7753 Storage Tubes. With 2mm bore stopcock for evacuating or introduction of inert gases. The 14/35 or 24/40 joints are used when it is necessary to evacuate completely. The 14/20 joint is used when there is more concern about grease entering the system.

  • Silicone-Free Vacuum Greases

    Apiezon

    …seal Vapor pressure 6 x 10 -10 mm Hg at 20°C. Melting point: 43°C. Working temperature range -269 to 30°C. APIEZON T Silicone and halogen-free For lubrication and sealing of stopcocks and joints at temperatures up to 120°C Vapor pressure 4.6 x 10 -9 mm Hg at 20°C. Melting point: 125°C.

  • PYREX® 125mL Replacement Squibb Separatory Funnel, Standard Taper Joints, Funnel…

    Corning

    …funnels have inner and outer 19/22 Standard Taper joints. They require Polytetrafluorethylene (PTFE) No. 2 Product Standard stopcock plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. For replacement PTFE stopcock plugs, see No. 7681.

  • Funnel 125 ml

    Corning

    …Product Standard stopcocks and inner and outer 14/20 Standard Taper joints. The PTFE plug fits into the micro-finish barrel. This funnel is also a replacement for organic chemistry kit No. 6949K (0318V10). The plug also reduces freezing problems and grease contamination. For PTFE stopcock plugs, see…

  • Funnel 125 ml

    Corning

    …funnels have Polytetrafluorethylene (PTFE) No. 2 Product Standard stopcocks and inner and outer 19/22 Standard Taper joints. The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. For replacement PTFE stopcock plugs, see No. 7681.

  • PVC Extraction Manifold

    Advantec MFS

    Tapered branch accepts 40/35 female joint Broad base for extra stability Ideal for EPA Method 1664 oil and grease analysis Lightweight and durable PVC material makes this extraction manifold a great alternative to stainless steel. Polyvinylchloride(PVC) is resistant to acids. The…

  • Funnel Comp 100 ml

    Corning

    …(PTFE) stopcock and inner and outer 24/40 Standard Taper joints. The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. For replacement PTFE stopcock plugs, see No. 7681. This funnel is also a replacement part for organic…

  • Sublimation Apparatus, Vacuum

    Ace Glass

    …condenser flask. All joints are PTFE-Clad to eliminate the use of grease and still avoid freezing. Kettle flange has a groove for a CAPFE O-Ring. Quick Release clamp secures head & kettle. Complete consists of Kettle Top, Kettle Bottom with O-Ring, Condenser, Stopcock Adapter, Condenser Tube,…

  • Vacuum/Inert Manifold, 4-Ports, Airfree®, Schlenk Line

    Chemglass

    …of the CG-468-02 greased glass stopcocks on all of the 4-ports. The end cap on the vacuum line is a #30 o-ring joint while the inert gas line has a #9 o-ring joint instead of the 14/20 standard taper joint. All gauging ports (B) are constructed using #9 o-ring joints and are supplied complete…

  • Vacuum Manifolds, Inert Lines, 4-Ports, Airfree®, Schlenk Line

    Chemglass

    …4mm double oblique hollow high vacuum greased stopcocks on all four ports. Ports are fitted with two 14/20 inner joints and two 24/40 inner joints and are spaced 5" center to center. This configuration permits use directly with vessels having these joint sizes or the AF-0455 adapters to fit…

  • Solvent Distillation Heads, Airfree®, Schlenk

    Chemglass

    …Chem-Vac™ Chem-Cap® valves provide for grease-free, leakproof seals. Lower 3-way valve (C) allows for solvent return to flask, take-off or storage in graduated reservoir. Syringe access port (B) incorporates a 4mm PTFE stopcock with a 14/20 outer joint for use with CG-3022 septum stoppers…

  • Vacuum Manifolds, Inert Gas Lines, 5-Ports, Airfree®, Schlenk Line

    Chemglass

    …vacuum bank has a 35/25 ball joint and is supplied with a 35/25 socket joint cap style stopper to help prevent induction of grease into line. A valved gauging port is placed on the main vacuum line and has a 12/5 ball joint. The inert gas line has 2-ports for connection of the inert gas source…

  • Solvent Distillation Apparatus, Airfree®, Schlenk

    Chemglass

    …14/20 standard taper outer joint, to be used with a CG-1042-14 thermometer adapter which fits a plain stem thermometer. A short (50mm) vigreux section is provided to enhance separation. Syringe access port (B) incorporates a 4mm PTFE stopcock with a 14/20 outer joint for use with CG-3022 septum…

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