Apiezon H High Temperature Vacuum Grease


Price:
$145

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Details

Apiezon H High Temperature Vacuum Grease 25g

Apiezon H Grease is a silicone-free high vacuum grease perfectly suited for use at high temperatures in both scientific and industrial applications. H Grease has exceptional 'stiction' and thermal conduction properties and has gained prestigious approvals from a variety of international organizations, including BAE Systems, the European Space Agency and NASA.

Apiezon H Grease: High Temperature Vacuum Grease Properties

Apiezon H Grease is a silicone-free high temperature vacuum grease which:

  • performs well under a wide range of temperatures, from -10 to +240°C, and retains its optimum consistency at temperatures between +10 and +110°C
  • rather than melting, actually becomes stiffer as temperature increases and therefore is not recommended for highly stressed bearings
  • has excellent heat transfer properties
  • conducts heat away from the site of operation, reducing the danger of overheating and damaging heat-sensitive components
  • exhibits good 'stiction' or sticking power
  • has powerful 'gettering' action, meaning it absorbs potentially harmful grease and chemical impurities on metal and glass surfaces
  • is easy to clean and remove as it is soluble in hydrocarbon solvents
  • exhibits a vapor pressure of 1.7 x 10-9 Torr at 20°C

Please click the links for typical properties and vapour pressure graphs of Apiezon H Grease.

Applications of Apiezon H Grease

As a high temperature, low to medium vacuum grease with excellent 'stiction' power and good thermal conduction properties Apiezon H Grease is used for many diverse applications. In particular H Grease is commonly used in scientific and industrial high temperature sealing applications.

Thanks to its 'stiction' power Apiezon H Grease is ideal for use with laboratory glassware; it is also favoured by the electronics and space industries where its high thermal conductivity makes it the perfect vacuum grease in situations where heat sink media requires adhesion.

Apiezon H grease has been approved by NASA as a material suitable for lubricating the gold-plated threads of small variable capacitors required to operate under high vacuum from -65°C to +125°C to prevent galling.

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