Aremco Heat-Away™ 640 Thermally Conductive Grease, Copper Filled

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Aremco Heat-Away™ 640 Thermally Conductive Grease, Copper Filled
Categories:	Fluid; Lubricant; Silicone Base; Silicone, Filled Grease
Material Notes:	Aremco's Heat-Away™ thermal greases are ceramic and metal-filled silicone systems which offer exceptional thermal and electrical properties to 550 ºF. These materials are used in high-power electronic devices, heat pipes, and other heat exchange systems.
Vendors:	Aremco's Heat-Away™ greases are ceramic and metalfilled systems that offer exceptional electrical and thermal properties. Visit us today at Aremco.com or call 1 (845) 268-0039 to speak with an engineer. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.33 g/cc	1.33 g/cc
Solids Content	100 %	100 %
Water Absorption	0.00 %	0.00 %

Electrical Properties	Metric	English	Comments
Volume Resistivity	1000 ohm-cm	1000 ohm-cm
Dielectric Strength	0.157 kV/mm	4.00 kV/in	Exposure to voltages in excess of rated maximum can cause permanent electrical leak paths

Thermal Properties	Metric	English	Comments
Thermal Conductivity	4.68 W/m-K	32.5 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	288 °C	550 °F
Minimum Service Temperature, Air	-51.1 °C	-60.0 °F

Descriptive Properties
Chemical Resistance	Excellent
Color	Copper
Filler	Copper

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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