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Periodic checking and replacement of vacuum pumping fluids is highly recommended, and some attention should be given to pump fluids when pump down times become excessively long. For replacement, a selection of commonly used oils is available. The choice of the appropriate oils and greases will depend on the types of pump and equipment in which they are used. The vapour pressure, viscosity, hydrocarbon content and compatibility with existing oils should all be taken into account before a selection is made.

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14 products available

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  1. Apiezon 100 Grease 50g AGY5395
    Apiezon AP100 Grease is a silicone-free vacuum grease and lubricant, containing PTFE and exhibits extremely high levels of lubricity.
    In Stock
    £133.89
    In Stock
  2. High Vacuum Leak Sealant
    Vacseal is a silicone-based resin with a low vapour pressure.
    Average lead time: 1 day

    From £145.06

    Average lead time: 1 day
  3. Rotary pump oil
    This range of Ultragrade® oils replaces all previous types and gives improved vacuum performance.
    Average lead time: 1 to 35 days

    From £24.82

    Average lead time: 1 to 35 days
  4. Fomblinised rotary pump oil
    For use in fomblinised rotary pumps where reactive gases are present, and where standard rotary pump oils are not appropriate.
    Average lead time: 14 days

    From £302.59

    Average lead time: 14 days
  5. Diffusion pump fluids
    Diffusion pump fluids including Diffoil-20, Apiezon, Edwards, Silicone oils and Santovac5 oils.
    Average lead time: 1 to 21 days

    From £68.40

    Average lead time: 1 to 21 days
  6. Lion S oil
    This is recommended as the standard diffusion pump oil in many Japanese electron microscopes.
    Average lead time: 1 day

    From £60.87

    Average lead time: 1 day
  7. Waxes and sealing compounds
    A range of Apiezon® wax and sealing compounds for sealing joints in high vacuum pressure systems.
    Average lead time: 1 to 30 days

    From £117.78

    Average lead time: 1 to 30 days
  8. Klubertemp Grease GR RT 15NF Grease (100g) AGB7299
    Klübertemp GR RT greases are white, homogeneous long-term greases based on perfluorinated polyether oils (PFPE) and polytetrafluoroethylene (PTFE).
    In Stock
    £148.42
    In Stock
  9. Silicone High Vacuum Grease (150g) AGB7278
    This silicone high vacuum grease is used for low volatility over a wide temperature range.
    In Stock
    £40.26
    In Stock
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