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.

  • Stopcock Grease, 150 gram Tube

    Hach

    For lubricating ground glass joints, glass stopcocks and valves, Tensette Pipets, and for sealing desiccators. Lubricant has low vapor pressure and resists attack by acidic and alkaline solutions.

  • 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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