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fluids advancedengineering optoelectronics/electronics




Recommend for extreme temperature (-100˚C to 250˚C). Higher and custom viscosities available.


  • A clear dimethyl, diphenyl polysiloxane fluid
  • Available in viscosities from 40,000 to 2.5 million centistokes
  • Diphenyl content offers improved thermal stability


  • For maximum vibration control and damping in dash pots for time delay relays, pulsation dampers and meter movements
  • Use as the working media in fluid clutch and fluid drive systems in the aerospace and automotive industry
  • Consider for use as a lubricant, coating, release agent and performance additive
  • Provides high and low temperature stability, oxidation resistance, very low vapor pressure, low surface temperature, high flash point and optimum radiation and oxidation resistance.

Product Details

Property Average result
Viscosity 40,000 cSt / 2,500,000 cSt
Volatile Content 4 %
Specific Gravity 1.01
Appearance Translucent
Dielectric Strength 400 volts/mil
Operating Temperature -65 °C / 260 °C
Refractive Index 1.43
Volume Resistivity 1,000,000,000,000,000 ohmcm
Comment Recommend for extreme temperature (-100˚C to 250˚C). Higher and custom viscosities available.
Display in metric units

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

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