Stopcock Grease

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Stopcock Grease
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  • Thomas® Lubriseal Stopcock Grease

    Thomas®

    …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, etc., which are…

  • Dow Corning High Vacuum Grease

    Ellsworth Adhesives

    …most acids, alkalies and other corrosive chemicals Consistency is retained in temperature range from -40° to +260°C. Minimum amounts should be used to avoid accumulation of grease on glass surfaces, which makes them non-wetting. Should not be used on burets or other graduated wares.

  • Silicone-Free Vacuum Greases

    Apiezon

    …Melting point: 44°C. Working temperature range 10 to 30°C. APIEZON N Tenacious, rubbery consistency For lubrication and sealing of glass stopcocks in high vacuum apparatus Cryogenic thermal coupling medium; cryogenic sensor and sample mounting medium; cryogenic vacuum seal Vapor pressure…

  • 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.

  • Desiccators, Vacuum

    United Scientific Supplies

    …any greasing. The PP stopcock has a self lubricating PTFE plug that works to create the vacuum, shut it off and release it. Autoclavable at 120°C for fifteen minutes. Non-vacuum desiccators are physically the same as vacuum desiccators; only difference is the absence of stopcock. Grease should…

  • Polypropylene Desiccators with Stopcock

    Thermo Scientific Nalgene

    …Polypropylene stopcock with PTFE Plug can be used with 0.25″ (6.4mm) ID tubing (tubing sold separately) Vacuum connection is located on the desiccator body making the cover easier to handle Straight bore design eliminates stopcock vacuum leakage No gasket is necessary; grease makes…

  • PYREX® Cylindrical Separatory Funnel, Graduated, PTFE Product Standard Stopcock,…

    Corning

    These 125mL PYREX® cylindrical separatory funnels are graduated to show approximate capacity, The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination.

  • SIAL Vacuum grease

    MilliporeSigma

    Synonym(s): Grease for vacuum lines; Stopcock grease

  • Stopcock, Polyethylene Miniature

    Dynalon

    Miniature Stopcocks. The low friction properties of high density polyethylene allows for easy turning of key which requires no lubricant, thus eliminating blockage of the bores with grease.

  • PYREX® 2.4L Small Top Desiccators with 24/29 Standard Taper Stopcock

    Corning

    …Taper sleeve be lubricated with a silicone-based vacuum grease. The tubulation O.D. is approximately 10mm. Approximate bowl volume capacity is 2400mL. For replacement bowl, see No. 3081-150LO; for cover, see No.3121-150CO; for replacement stopcock see 3121-STPK. Warning : Do not heat or subject to…

  • Burettes with PTFE Stopcocks

    GSC International, Inc.

    A quality borosilicate glass burette with PTFE stopcock. The PTFE stopcock is almost freeze proof and does not require grease. Subdivided 0.1mL

  • Techni-Dome® Gas-Purge Desiccator

    Bel-Art Products

    …apply a light coating of vacuum grease to the gasket. The polypropylene stopcock features a PTFE plug that can be conveniently rotated to permit a slow, non-turbulent air stream to enter the unit, virtually eliminating any disturbance of contents. The stopcock has a vivid, red handle and is…

  • 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.

  • KIMAX Borosilicate Desiccators with Stopcocks

    DWK Life Sciences (Kimble)

    …cooling oven-dried samples while maintaining sample dryness. The shape of the body allows easy removal of desiccant materials Simplified stopcock design minimizes chipping or marring of critically ground finishes during cleaning and assembly Valve is secured to the desiccator lid by a…

  • Desiccators, Non-Vacuum

    United Scientific Supplies

    …any greasing. The PP stopcock has a self lubricating PTFE plug that works to create the vacuum, shut it off and release it. Autoclavable at 120°C for fifteen minutes. Non-vacuum desiccators are physically the same as vacuum desiccators; only difference is the absence of stopcock. Grease should…

  • 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…

  • 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

    …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.

  • Funnel Comp 100 ml

    Corning

    …Product Standard Polytetrafluorethylene (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…

  • Glass Collecting Bulb, Ace-Thred

    Ace Glass

    With #7 Ace-Thred end valves that insure tight fit without grease. No stopcock plugs to pop out. Nylon bushing tightens into the internally threaded glass to form an O-Ring compression seal. Each bulb has a syringe sampling port and is supplied with two bushings, two FETFE O-rings and one septum.…

  • PYREX Squibb Separatory Funnels With Glass Stopper

    Corning

    Teflon® stopcock plug fits into the micro-finish barrel Plug reduces freezing problems and grease contamination

  • PYREX® 4L Squibb Separatory Funnel, PTFE Product Standard Stopcock, Glass…

    Corning

    …8 Product Standard stopcocks and strong, hollow No. 38 Standard Taper glass stoppers. The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination. For replacement glass Standard Taper stoppers, see No. 7650; for PTFE stopcock assemblies, see No.…

  • Funnel 6000 ml

    Corning

    …Standard stopcocks and strong, hollow No. 38 Standard Taper glass stoppers. The PTFE plug fits into the micro-finish barrel The plug also reduces freezing problems and grease contamination For replacement glass Standard Taper stoppers, see No. 7650; for PTFE stopcock assemblies,…

  • Desiccator Top Only PC

    Thermo Scientific Nalgene

    …and alkalines Convenient vacuum connection on body makes cover easy to handle Straight-bore design eliminates stopcock leakage No gasket necessary, no need to draw a vacuum to make cover airtight - only grease is needed Recessed rim on cover keeps grease off bench-top when cover is set down

  • Funnel 500 ml Cs4

    Corning

    …(PTFE) stopcock and a strong, lightweight No. 27 Standard Taper glass stopper. The PTFE plug fits into the micro-finish barrel The plug also reduces freezing problems and grease contamination For replacement glass Standard Taper stoppers, see No. 7650; for PTFE stopcock plugs, see…

  • PVC Extraction Manifold

    Advantec MFS

    grease analysis Lightweight and durable PVC material makes this extraction manifold a great alternative to stainless steel. Polyvinylchloride(PVC) is resistant to acids. The tapered branch accepts a 40/35 female joint to adapt to microanalysis units. The valve is PVC with a PTFE stopcock.

  • Sublimation Apparatus, Vacuum

    Ace Glass

    …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, Pressure Bushing, (2)…

  • Transparent Polycarbonate Classic Design Desiccators

    Thermo Scientific Nalgene

    …an airtight seal on the Thermo Scientific™ Nalgene™ Transparent Polycarbonate Classic Design Desiccator without the need of vacuum grease which can act as a possible lab contaminant. Lightweight and nearly unbreakable, the desiccator can be used under full-vacuum and non-vacuum…

  • Double Vacuum/Gas Manifolds With PTFE Valves

    DWK Life Sciences (Kimble)

    For connecting inert gas and vacuum sources Grease-free, fine control is provided by 4 mm PTFE HI-VAC® valves. Sample contacts only PTFE and borosilicate glass. Beams are 1/2” (12.7 mm) O.D. with upper left and lower right ends open. Delivery ports are 9 mm O.D and the distance…

  • Funnel, Addition, Pilot Size, Ace-Thred

    Ace Glass

    Large separatory funnel for use where large volumes are needed. Cylindrical shape necks down to a #25 Ace-Thred and connects to an 8mm bore PTFE-clad glass stopcock via a PTFE coupling using FETFE O-Rings. The system is completely grease-free. Complete

  • Solvent Still, Repurifier

    Ace Glass

    Distills, refluxes, stores and delivers. Unit is totally grease free when used with PTFE sleeves on joints. Septum access located on side of still reservoir, supplied with septum. Two PTFE stopcocks, below reservoir, allow recycling solvent to boiling flask, takeoff to receiver flask, or if both are…

  • Scienceware® Secador® Techni-Dome Vacuum Desiccator

    Bel-Art Products

    …gasket, with an application of vacuum grease assures a tight seal down to 0°C. The polypropylene stopcock has a Teflon® plug that turns easily to allow a slow, turbulence free entrance of air, which minimizes disturbance of contents. The stopcock has a high visibility red handle and…

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