Inland Synthetic Hydrocarbon Fluid

Inland 45 and Inland 45Z

Inland 45 and Inland 45Z are synthetic hydrocarbon fluids that permit strain-free cold starts as a result of their low pour point and high viscosity index – their viscosity is lower than that of a typical vacuum pump oil at low temperatures. In addition, because these fluids maintain their viscosity at high temperatures, they provide a good seal under full-load conditions.

Among other properties offered by Inland 45’s unique molecular structure are low vapor pressure, and chemical resistance and high temperature stability superior to those of other high performance oils such as white oils. Non-toxic, non-corrosive, and reclaimable, Inland 45 is compatible with Buna-N, neoprene, and Viton elastomers. It is also miscible with petroleum-based oils, Freon, aromatic solvents, and flushing fluids.


  • High thermal stability
  • Easy to cold start
  • Low vapor pressure
  • Compatible with Buna-N, neoprene, and Viton elastomers.
  • Chemical resistance
  • Excellent seal under full-load



  • Mass spectrometry
  • Thin film sputtering
  • Electron microscopy
  • UHV systems
  • Leak detection



SpecificationInland 45Inland 45Z
Vapor Pressure at 25ºC (torr)<1x10-7<1x10-7
Boiling Point at .01 torr  (ºC)133137
Viscosity at 40ºC (cSt)5367
Pour Point (ºC)-59-55
Flash Point (ºC)264285
Fire Point (ºC)288305
Density at 25ºC (g/ml)0.830.83

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