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Dow Corning 340 Heat Sink Compound

Category Other Engineering Material , Additive/Filler for Polymer
Manufacturer Dow Corning
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Dow Corning 340 Heat Sink Compound.pdf
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Material Notes:
White, non-flowing, highly filled compound, good thermal conductivity.Information provided by Dow Corning
Physical Properties Metric English Comments
Specific Gravity 2.10 g/cc

@Temperature 25.0 °C
 2.10 g/cc

@Temperature 77.0 °F
Mechanical Properties Metric English Comments
Penetration P(0), 1/10 mm 275
275
Worked
300
300
Unworked
Thermal Properties Metric English Comments
Thermal Conductivity 0.550 W/m-K
3.82 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 200 °C
392 °F
Minimum Service Temperature, Air -45.0 °C
-49.0 °F
Dropping Point 300 °C
572 °F
Electrical Properties Metric English Comments
Volume Resistivity 2.00e+15 ohm-cm
2.00e+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/mm
210 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 sec
165 sec
Processing Properties Metric English Comments
Shelf Life 60.0 Month
60.0 Month
Descriptive Properties Value Comments
Color White
Hydrophobic Yes
Nonflowable Yes
Thickening System Metal Oxide
Water Resistant Yes
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