Polymer Systems
Technology Limited

Advanced Engineering



Thermally Conductive

Thermally Conductive Controlled Volatility Silicone

  • Two-part, white, flowable, thermally conductive silicone
  • Cures with the addition of heat
  • 10:1 Mix Ratio (Part A:Part B)
  • For applications requiring low outgassing and minimal volatile condensables under extreme operating conditions to avoid condensation in sensitive devices
  • To provide moderate heat transfer between electrical/electronic components and their heat sinks
  • Use for adhering openings in modules and housing where grooves or other configurations require a limited flow material
Typical PropertiesAverage Result
Viscosity, Part A*130,000 cP (130,000 mPas)
Work Time*1.5 hours
Tack-Free Time*3 hours
Cured: 7 days minimum at ambient temp. and humidity
Specific Gravity*1.34
Durometer, Type A*60
Tensile Strength*200 psi (1.4 MPa)
Tear Strength*45 ppi (7.9 kN/m)
Thermal Conductivity*0.828 W/(mK)(20 x 10-4 cal/(cm sec°C))
Coefficient of Linear Thermal Expansion
Below Tg (-100 to -50°C)180 ppm/°C (180µm/m/°C)
Above Tg (-30 to 250°C)275 ppm/°C (275µm/m/°C)
Collected Volatile Condensable Material (CVCM)*0.01%
Total Mass Loss (TML)*0.05%

*Properties tested on a lot-to-lot basis. Do not use the properties shown in this technical profile as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primer CF1-135

Note: Some bonding applications may require the use of a primer.


50 Gram Kit
100 Gram Kit
250 Gram Kit
500 Gram Kit


12 Months

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