Polymer Systems
Technology Limited

Advanced Engineering



Potting and Encapsulating Elastomers

Thermally Conductive Silicone Potting Elastomer

  • Two part, Gray, 1:1 Mix ratio (A:B)
  • Pourable and self-leveling
  • Cures at room temperature
  • Enhanced thermal conductivity for removal of heat and improved reliability
  • Low viscosity allows the potting of complex geometries without the entrapment of air
  • Quick set-up and flexible cure schedule
  • Applications include: potting for sensors, relays, and other electronic components requiring protection from vibration and generally harsh environmental conditions
Typical PropertiesAverage Result
Appearance, Part A*Gray
Appearance, Part B*Off White
Appearance, MixedGray
Viscosity, Part A4,800 cP
Viscosity, Part B3,200 cP
Work Time10 minute minimum
Cured: 10 minutes at 150°C (302°F)
Durometer, Type A60
Tensile Strength500 psi ( 3.4 MPa)
Volume Resistivity*1.0 x 1015 Ohm cm
Thermal Conductivity0.50 W/mK
Dielectric Constant, 100 Hz*3.6
Dielectric Constant, 100 kHz*3.2
Dielectric Strength*700 Volts/mil (27.3 kV/mm)
Glass Transition Temperature (Tg)*-48°C
Coefficient of Thermal Expansion (-140°C to -70°C)*110 µm/m°C
Coefficient of Thermal Expansion (-30°C to 120°C)*230 µm/m°C
Cured: 24 hours minimum at ambient temperature and humidity
Durometer, Type A60

*These properties NOT tested on a lot-to-lot basis. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

Recommended Primers CF2-135 or SP-120

Note: Some bonding applications may require the use of a primer.
CF2-135 is recommended for most metallic substrates, some plastics and when cure inhibition is observed on substrate.
In general, SP-120 is recommended for use with 100% Fluorosilicones.


50 ml SxS Kit (0.054 kg)
200 ml SxS Kit (0.21 kg)
2 Pint Kit (0.91 kg)
2 Gallon Kit (7.28 kg)
10 Gallon Kit (36.4 kg)


6 Months

Product Profile - Full Details Product Profile
Safety Data Sheet Material Safety Data Sheet
Example packaging
Example packaging


Medical Silicones
Biomaterials - Medical Silicones for Healthcare

Advanced Technologies

Advanced Technologies Industrial & Engineering Silicones
Space - Aviation Grade Industrial & Engineering Silicones


Food Medical Industrial Grade Silicone Tubing
Food, Medical & Industrial Quality Silicone Tubing


Silicone Mixing Dispensing Degassing Equipment
Mixing Dispensing & Degassing Equipment for Silicone