Polymer Systems
Technology Limited

Advanced Engineering


Potting and Encapsulating Elastomers

Low Volatility Silicone Elastomer

  • Two-part, clear silicone system
  • Offers low modulus and low viscosity
  • 1:1 Mix Ratio (Part A: Part B)
  • For applications requiring low volatility and high purity
  • Designed for protection of electrical components and assemblies against shock, vibration, moisture, dust, chemicals, and other environmental hazards
  • Ideal for applications in which clarity and low viscosity are important
Typical PropertiesAverage Result
Viscosity, Part A3,750 cP (3,750 mPas)
Viscosity, Part B2,700 cP (2,700 mPas)
Work Time3 hours
Tack-Free Time5 hours
Cured: 15 minutes at 15°C (302°F)
Specific Gravity1.02
Durometer, Type A50
Tensile Strength850 psi (5.9 MPa)
Lap Shear Strength250 psi (1.73 MPa)
Volatile Content (1 hour at 275°C)0.7%
Volume Resistivity8.5 X 10 exp14
Dielectric Strength610 V/mil (24.0 kV/mm)
Dielectric Constant, 100 Hz2.8
Dielectric Constant, 1 kHz2.8
Loss Tangent, 100 Hz0.0003
Loss Tangent, 1 kHz0.0004
Coefficient of Linear Expansion (-150°C to -170°C)87µm/(m°C)
Coefficient of Linear Expansion (-70°C to 200°C)297µm/(m°C)
Glass Transition Temperature (Tg)-116°C (-176.8°F)
Ionic Content, Na<6 ppm
Ionic Content, K<3 ppm
Ionic Content, Cl<6 ppm

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.


50 mL Side-by-Side Kit
50 Gram Kit
100 Gram Kit
400 mL Side-by-Side Kit
500 Gram Kit


12 Months

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