Lord Adhesives CoolTherm™ SC-6702 Thermally Conductive Silicone Encapsulant

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Lord Adhesives CoolTherm™ SC-6702 Thermally Conductive Silicone Encapsulant
Categories:	Polymer; Thermoset; Silicone; Silicone Elastomer, for Thermal Management
Material Notes:	LORD CoolTherm™ SC-6702 thermally conductive silicone encapsulant is a two-component system designed to provide thermal conductivity for encapsulating sensitive electronic modules. Features: easy to use 1:1 mix ratio, by weight or volume. adheres without the use of a primer in most applications. provides thermal conductivity for applications where superior heat dissipation is required. can be used on parts and devices that experience operating temperatures from -55°C to 260°C. provides excellent flame retardancy; UL 94 V-O certified. All information provided by Lord.
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Physical Properties	Metric	English	Comments

Specific Gravity	2.04 g/cc	2.04 g/cc	SC-6702 Hardener
	2.09 g/cc	2.09 g/cc	Mixed
	2.15 g/cc	2.15 g/cc	SC-6702 Resin
Viscosity	27000 cP @Temperature 25.0 °C	27000 cP @Temperature 77.0 °F	SC-6702 Resin
	28000 cP @Temperature 25.0 °C	28000 cP @Temperature 77.0 °F	SC-6702 Hardener
	30000 cP @Temperature 25.0 °C	30000 cP @Temperature 77.0 °F	Mixed

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	65	65	cured
Tensile Strength	4.14 MPa	600 psi	cured; ASTM D 412
Elongation at Break	80 %	80 %	cured; ASTM D 412

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.70e+15 ohm-cm @Temperature 25.0 °C	1.70e+15 ohm-cm @Temperature 77.0 °F	cured; ASTM D 257
Dielectric Constant	5.5 @Frequency 1e+6 Hz, Temperature 25.0 °C	5.5 @Frequency 1e+6 Hz, Temperature 77.0 °F	cured; ASTM D 150
Dielectric Strength	17.1 kV/mm	434 kV/in	cured
Dissipation Factor	0.014 @Frequency 1e+6 Hz, Temperature 25.0 °C	0.014 @Frequency 1e+6 Hz, Temperature 77.0 °F	cured; ASTM D 150

Thermal Properties	Metric	English	Comments
CTE, linear	239 µm/m-°C	133 µin/in-°F	ASTM C 864
Thermal Conductivity	0.700 W/m-K	4.86 BTU-in/hr-ft²-°F	Hot Disc Transient Method
Maximum Service Temperature, Air	260 °C	500 °F
Minimum Service Temperature, Air	-55.0 °C	-67.0 °F
Flammability, UL94	V-0	V-0

Processing Properties	Metric	English	Comments
Working Life	240 min @Temperature 25.0 °C	240 min @Temperature 77.0 °F	Mixed
Gel Time	25.0 min @Temperature 66.0 °C	25.0 min @Temperature 151 °F	mixed
Shelf Life	6.00 Month @Temperature <=40.0 °C	6.00 Month @Temperature <=104 °F	each component from date of manufacture

Descriptive Properties
Appearance	Red Liquid		SC-6702 Resin
	Red Liquid		Mixed
	White Liquid		SC-6702 Hardener

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.

PLORD9269 / 232625

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