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20 Grade Standard Ultra

  • VacOil 20 Grade is a upgraded oil vs the 19 grade and is also used in all two stage oil sealed rotary vane vacuum pumps.
  • VacOil 20 Grade has a vapor pressure of less than 10^-6 torr vs 10^-5 torr for 19 grade and is slightly more viscous and more stable than 19 grade oil.
  • VacOil 20 Grade is used to get better resistance to water and chemical attack and to decrease the frequency of oil changes.
  • Each cap is induction sealed to lock out moisture and contaminants.
  • VacOil recommends that you change your vacuum pump oil at least every 3 months to prolong the life of your vacuum pump.

 

Specifications

  • Vapor Pressure @ 25°C: <1x10-6  Torr
  • Viscosity @ 40°C: 60 cSt
  • Fire Point: (COC) 245°C 473°F
  • Flash Point: (COC) 271°C 520°F
  • Pour Point: -15°C
  • Specific Gravity @ 22°C: .869 g/ml
  • Safety Data Sheet

 

Applications

  • Diffusion pumps
  • Direct drive rotary vane pumps
  • Optical and decorative coatings
  • Leak detection
  • Freeze drying
  • Mass spectrometry
  • Sputtering
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