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Dow Corning® 3120 RTV Datasheet

Silicone

Supplied by Dow Corning Corporation

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Product Description
Dow Corning® 3120 RTV is a Silicone material. It is available in North America for coating, encapsulating, or potting.

Important attributes of Dow Corning® 3120 RTV are:
  • Good Flexibility
  • Medium Viscosity

Typical applications include:
  • Military Applications
  • Coating Applications
  • Electrical/Electronic Applications
  • Engineering/Industrial Parts
  • Tools
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Good Flexibility
  • Medium Viscosity
  • Self Extinguishing
Uses 
  • Bushings
  • Coating Applications
  • Electrical Parts
  • Insulation
  • Molds/Dies/Tools
Agency Ratings 
 
Appearance 
  • Red
Forms 
  • Liquid
Processing Method 
  • Coating
  • Encapsulating
  • Potting
Physical
Nominal Value
Unit
Test Method
Apparent Density
g/cm³
ASTM D1895
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength (Yield)
psi
ASTM D638
Tensile Elongation (Yield)
%
ASTM D638
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore A)
 
ASTM D2240
Thermal
Nominal Value
Unit
Test Method
Thermal Conductivity
Btu·in/hr/ft²/°F
ASTM C177
Electrical
Nominal Value
Unit
Test Method
Volume Resistivity
ohm·cm
ASTM D257
Dielectric Strength
V/mil
ASTM D149
Dielectric Constant
    ASTM D150
100 Hz
 
 
100 kHz
 
 
Dissipation Factor
    ASTM D150
100 Hz
 
 
100 kHz
 
 
Arc Resistance
sec
ASTM D495
Thermoset
Nominal Value
Unit
Test Method
Pot Life (77°F)
min
 
Shelf Life
wk
 
Thermoset Mix Viscosity (77°F)
cP
ASTM D2393
Demold Time (77°F)
min
 
Additional Information
Useful Temperature Range: -67 to 572°F
Features
Features may also be described by the following terms: Self Extinguishing, Self-Extinguishing, Good Flexibility, Flexible, Medium Viscosity.
Uses
Uses may also be described by the following terms: Molds/Dies/Tools, Molds, Dies, tools.
Agency Ratings
This plastic material has 2 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): MIL (2).
Notes
1Typical properties: these are not to be construed as specifications.
 
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The information presented on this datasheet was acquired by UL Prospector from the producer of the material. UL Prospector makes substantial efforts to assure the accuracy of this data. However, UL Prospector assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.