Huber SilOil M20.195/235.20, Heat transfer fluid -20 to 235 °C


Huber SilOil M20.195/235.20, Heat transfer fluid -20 to 235 °C


SilOil M20.195/235.20 is a low-viscosity silicone fluid which, as a result of its special property profile, is particularly suitable for use as a cold and heat transfer medium in cryostats, thermostats and heat transfer installations.


SilOil M20.195/235.20 can be used in the range from -20 °C to 195 °C (for open systems) and to 235 °C in externally sealed systems (Unistats). It should be borne in mind that, at high temperatures, SilOil M20.195/235.20 can be chemically altered by oxidising media, such as air, or substances with a catalytic effect, such as acids, lyes and various metal compounds. An increase in viscosity, and possibly even gelling of the fluid owing to crosslinking reactions, must be expected in the presence of oxidising agents, while contact with products having a catalytic effect usually induces a process of depolymerisation, resulting in a drop in viscosity.


  • Virtually insolubile in water
  • Non-corrosive
  • Low setting points and vapour pressures
  • high flash points
  • low toxicity
  • odourless
  • no coking tendency under thermal stress
  • high thermal stability
  • resistance to ageing


Safety Data Sheet 


Heat transfer fluid M20.195/235.20
Working temperature °C -20 to 195/235
open/closed systems: -20°C…195°C
Unistats (only closed): -20°C…235°C
Material: silicon oil
Viscosity at 25°C: 20 mm²/s
Colour colourless, clear
Material incompatibility Silicone rubber

Huber SilOil M20.195/235.20, Heat transfer fluid -20 to 235 °C

Product form

SKU: 6161


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