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Chemically Resistant adhesives

Dow SE 4420 THERMALLY CONDUCTIVE ADHESIVE
Categories: Polymer; Adhesive; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade

Material Notes: Former Dow Corning product.

Information provided by Dow Corning

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Physical PropertiesMetricEnglishComments
Specific Gravity 2.26 g/cc
@Temperature 25.0 °C
2.26 g/cc
@Temperature 77.0 °F
Viscosity 108000 cP108000 cPdynamic
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 7474
Tensile Strength, Ultimate 5.00 MPa725 psi
Elongation at Break 90 %90 %
Shear Strength 3.45 MPa500 psi
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+15 ohm-cm1.00e+15 ohm-cm
Dielectric Constant  3.87
@Frequency 100000 Hz
3.87
@Frequency 100000 Hz
 3.96
@Frequency 100 Hz
3.96
@Frequency 100 Hz
 4.8
@Frequency 1e+6 Hz
4.8
@Frequency 1e+6 Hz
Dielectric Strength 14.6 kV/mm370 kV/in
Dissipation Factor  0.00153
@Frequency 100000 Hz
0.00153
@Frequency 100000 Hz
 0.00525
@Frequency 100 Hz
0.00525
@Frequency 100 Hz
 
Thermal PropertiesMetricEnglishComments
CTE, linear 162 µm/m-°C90.0 µin/in-°F
Thermal Conductivity 0.900 W/m-K6.25 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 200 °C392 °F
Minimum Service Temperature, Air -45.0 °C-49.0 °F
 
Processing PropertiesMetricEnglishComments
Cure Time 12000 min
@Temperature 22.0 °C
200 hour
@Temperature 71.6 °F
Shelf Life 12.0 Month12.0 Month
 
Descriptive Properties
Colorwhite
Flowableyes
Hydrophobicyes
Self Levelingyes
Water Resistantyes
Working Time (min)<10

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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Chemically Resistant adhesives

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