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SILASTIC™ RTV-3120 Mould-Making Base

General purpose silicone mold making rubber recommended for high temperature applications.


These values are typical properties and are not intended for use in preparing specifications.

  • Color Yes No Red
  • Dielectric Constant at 100 Hz Yes No 3.72
  • Dielectric Constant at 100 kHz Yes No 3.7
  • Dielectric Strength Yes No 418 volts per mil v/mil
  • Dissipation Factor at 100 Hz Yes No 0.0103
  • Dissipation Factor at 100 kHz Yes No 0.003
  • Durometer - Shore A Yes No 56 Shore A
  • Dynamic Viscosity Yes No 28000 Centipoise
  • Elongation Yes No 128 %
  • Number of Parts Yes No Two
  • Service Temperature High Yes No 300 °C
  • Service Temperature Low Yes No -55 °C
  • Specific Gravity @ 25C Yes No 1.45
  • Tear Strength Yes No < 40 ppi
  • Tensile Strength Yes No 582 psi
  • Volume Resistivity Yes No 3.46e+014 ohm-centimeters
  • Volumetric CTE Yes No 0.00104 cc/cc/Deg C

No Safety Data Sheets are available online for this material
Please Contact Dow for additional information.

No sales specification could be found for this material in selected language

SILASTIC™ RTV-3120 Mould-Making Base
No Technical Data Sheets are available for this product
Please Contact Dow for additional information.


SILASTIC™ RTV-3120 Mould-Making Base

No Regulatory Data Sheets are available for this product

SILASTIC™ RTV-3120 Mould-Making Base
Please Contact Dow for distribution options available for this product.