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Chemically Resistant adhesives

Dow 340 Heat Sink Compound
Categories: Other Engineering Material; Additive/Filler for Polymer

Material Notes: Former Dow Corning product.

Information provided by Dow Corning

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 2.10 g/cc
@Temperature 25.0 °C
2.10 g/cc
@Temperature 77.0 °F
 
Mechanical PropertiesMetricEnglishComments
Penetration P(0), 1/10 mm 275275Worked
 300300Unworked
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 2.00e+15 ohm-cm2.00e+15 ohm-cm
Dielectric Constant  5.0
@Frequency 100 Hz
5.0
@Frequency 100 Hz
 5.0
@Frequency 100000 Hz
5.0
@Frequency 100000 Hz
Dielectric Strength 8.27 kV/mm210 kV/in
Dissipation Factor  0.010
@Frequency 100 Hz
0.010
@Frequency 100 Hz
 0.020
@Frequency 100000 Hz
0.020
@Frequency 100000 Hz
Arc Resistance 165 sec165 sec
 
Thermal PropertiesMetricEnglishComments
Thermal Conductivity 0.550 W/m-K3.82 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 200 °C392 °F
Minimum Service Temperature, Air -45.0 °C-49.0 °F
Dropping Point 300 °C572 °F
 
Processing PropertiesMetricEnglishComments
Shelf Life 60.0 Month60.0 Month
 
Descriptive Properties
ColorWhite
HydrophobicYes
NonflowableYes
Thickening SystemMetal Oxide
Water ResistantYes

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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